From 0d23b3d08770889c6cb31e8e5374334879103f92 Mon Sep 17 00:00:00 2001
From: Tianon Gravi <admwiggin@gmail.com>
Date: Fri, 18 Mar 2016 10:52:43 -0700
Subject: [PATCH] Apply update.sh

---
 5.5/Dockerfile                          |  50 +++++----
 5.5/alpine/Dockerfile                   |  91 ++++++++++++++++
 5.5/alpine/docker-php-ext-configure     |  19 ++++
 5.5/alpine/docker-php-ext-enable        |  83 +++++++++++++++
 5.5/alpine/docker-php-ext-install       |  71 +++++++++++++
 5.5/apache/Dockerfile                   |  50 +++++----
 5.5/apache/docker-php-ext-configure     |   4 +-
 5.5/apache/docker-php-ext-enable        |  20 ++--
 5.5/apache/docker-php-ext-install       |  20 ++--
 5.5/docker-php-ext-configure            |   4 +-
 5.5/docker-php-ext-enable               |  20 ++--
 5.5/docker-php-ext-install              |  20 ++--
 5.5/fpm/Dockerfile                      |  50 +++++----
 5.5/fpm/alpine/Dockerfile               | 131 ++++++++++++++++++++++++
 5.5/fpm/alpine/docker-php-ext-configure |  19 ++++
 5.5/fpm/alpine/docker-php-ext-enable    |  83 +++++++++++++++
 5.5/fpm/alpine/docker-php-ext-install   |  71 +++++++++++++
 5.5/fpm/docker-php-ext-configure        |   4 +-
 5.5/fpm/docker-php-ext-enable           |  20 ++--
 5.5/fpm/docker-php-ext-install          |  20 ++--
 5.5/zts/Dockerfile                      |  50 +++++----
 5.5/zts/alpine/Dockerfile               |  92 +++++++++++++++++
 5.5/zts/alpine/docker-php-ext-configure |  19 ++++
 5.5/zts/alpine/docker-php-ext-enable    |  83 +++++++++++++++
 5.5/zts/alpine/docker-php-ext-install   |  71 +++++++++++++
 5.5/zts/docker-php-ext-configure        |   4 +-
 5.5/zts/docker-php-ext-enable           |  20 ++--
 5.5/zts/docker-php-ext-install          |  20 ++--
 5.6/Dockerfile                          |  50 +++++----
 5.6/alpine/Dockerfile                   |  57 +++++++----
 5.6/alpine/docker-php-ext-enable        |  32 +++++-
 5.6/alpine/docker-php-ext-install       |   6 +-
 5.6/apache/Dockerfile                   |  50 +++++----
 5.6/apache/docker-php-ext-configure     |   4 +-
 5.6/apache/docker-php-ext-enable        |  20 ++--
 5.6/apache/docker-php-ext-install       |  20 ++--
 5.6/docker-php-ext-configure            |   4 +-
 5.6/docker-php-ext-enable               |  20 ++--
 5.6/docker-php-ext-install              |  20 ++--
 5.6/fpm/Dockerfile                      |  50 +++++----
 5.6/fpm/alpine/Dockerfile               |  60 +++++++----
 5.6/fpm/alpine/docker-php-ext-enable    |  32 +++++-
 5.6/fpm/alpine/docker-php-ext-install   |   6 +-
 5.6/fpm/docker-php-ext-configure        |   4 +-
 5.6/fpm/docker-php-ext-enable           |  20 ++--
 5.6/fpm/docker-php-ext-install          |  20 ++--
 5.6/zts/Dockerfile                      |  50 +++++----
 5.6/zts/alpine/Dockerfile               |  92 +++++++++++++++++
 5.6/zts/alpine/docker-php-ext-configure |  19 ++++
 5.6/zts/alpine/docker-php-ext-enable    |  83 +++++++++++++++
 5.6/zts/alpine/docker-php-ext-install   |  71 +++++++++++++
 5.6/zts/docker-php-ext-configure        |   4 +-
 5.6/zts/docker-php-ext-enable           |  20 ++--
 5.6/zts/docker-php-ext-install          |  20 ++--
 7.0/Dockerfile                          |  50 +++++----
 7.0/alpine/Dockerfile                   |  57 +++++++----
 7.0/alpine/docker-php-ext-enable        |  32 +++++-
 7.0/alpine/docker-php-ext-install       |   6 +-
 7.0/apache/Dockerfile                   |  50 +++++----
 7.0/apache/docker-php-ext-configure     |   4 +-
 7.0/apache/docker-php-ext-enable        |  20 ++--
 7.0/apache/docker-php-ext-install       |  20 ++--
 7.0/docker-php-ext-configure            |   4 +-
 7.0/docker-php-ext-enable               |  20 ++--
 7.0/docker-php-ext-install              |  20 ++--
 7.0/fpm/Dockerfile                      |  50 +++++----
 7.0/fpm/alpine/Dockerfile               |  60 +++++++----
 7.0/fpm/alpine/docker-php-ext-enable    |  32 +++++-
 7.0/fpm/alpine/docker-php-ext-install   |   6 +-
 7.0/fpm/docker-php-ext-configure        |   4 +-
 7.0/fpm/docker-php-ext-enable           |  20 ++--
 7.0/fpm/docker-php-ext-install          |  20 ++--
 7.0/zts/Dockerfile                      |  50 +++++----
 7.0/zts/alpine/Dockerfile               |  92 +++++++++++++++++
 7.0/zts/alpine/docker-php-ext-configure |  19 ++++
 7.0/zts/alpine/docker-php-ext-enable    |  83 +++++++++++++++
 7.0/zts/alpine/docker-php-ext-install   |  71 +++++++++++++
 7.0/zts/docker-php-ext-configure        |   4 +-
 7.0/zts/docker-php-ext-enable           |  20 ++--
 7.0/zts/docker-php-ext-install          |  20 ++--
 80 files changed, 2295 insertions(+), 582 deletions(-)
 create mode 100644 5.5/alpine/Dockerfile
 create mode 100755 5.5/alpine/docker-php-ext-configure
 create mode 100755 5.5/alpine/docker-php-ext-enable
 create mode 100755 5.5/alpine/docker-php-ext-install
 create mode 100644 5.5/fpm/alpine/Dockerfile
 create mode 100755 5.5/fpm/alpine/docker-php-ext-configure
 create mode 100755 5.5/fpm/alpine/docker-php-ext-enable
 create mode 100755 5.5/fpm/alpine/docker-php-ext-install
 create mode 100644 5.5/zts/alpine/Dockerfile
 create mode 100755 5.5/zts/alpine/docker-php-ext-configure
 create mode 100755 5.5/zts/alpine/docker-php-ext-enable
 create mode 100755 5.5/zts/alpine/docker-php-ext-install
 create mode 100644 5.6/zts/alpine/Dockerfile
 create mode 100755 5.6/zts/alpine/docker-php-ext-configure
 create mode 100755 5.6/zts/alpine/docker-php-ext-enable
 create mode 100755 5.6/zts/alpine/docker-php-ext-install
 create mode 100644 7.0/zts/alpine/Dockerfile
 create mode 100755 7.0/zts/alpine/docker-php-ext-configure
 create mode 100755 7.0/zts/alpine/docker-php-ext-enable
 create mode 100755 7.0/zts/alpine/docker-php-ext-install

diff --git a/5.5/Dockerfile b/5.5/Dockerfile
index a414dde3..75f9a0fc 100644
--- a/5.5/Dockerfile
+++ b/5.5/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -13,52 +28,51 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
 ##</autogenerated>##
 
 ENV GPG_KEYS 0B96609E270F565C13292B24C13C70B87267B52D 0BD78B5F97500D450838F95DFE857D9A90D90EC1 F38252826ACD957EF380D39F2F7956BC5DA04B5D
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 5.5.33
 ENV PHP_FILENAME php-5.5.33.tar.xz
 ENV PHP_SHA256 b91dbd3c53f9895e8f7b29e5fed25a64dd3a76b454f6ef7265e73c96b4303f30
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/5.5/alpine/Dockerfile b/5.5/alpine/Dockerfile
new file mode 100644
index 00000000..271a616f
--- /dev/null
+++ b/5.5/alpine/Dockerfile
@@ -0,0 +1,91 @@
+FROM alpine:3.3
+
+# phpize deps
+RUN apk add --no-cache --virtual .phpize-deps \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkgconf \
+		re2c
+
+# persistent / runtime deps
+RUN apk add --no-cache --virtual .persistent-deps \
+		ca-certificates \
+		curl
+
+# ensure www-data user exists
+RUN set -x \
+	&& addgroup -g 82 -S www-data \
+	&& adduser -u 82 -D -S -G www-data www-data
+# 82 is the standard uid/gid for "www-data" in Alpine
+# http://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/nginx-initscripts/nginx-initscripts.pre-install?h=v3.3.2
+
+ENV PHP_INI_DIR /usr/local/etc/php
+RUN mkdir -p $PHP_INI_DIR/conf.d
+
+##<autogenerated>##
+##</autogenerated>##
+
+ENV GPG_KEYS 0B96609E270F565C13292B24C13C70B87267B52D 0BD78B5F97500D450838F95DFE857D9A90D90EC1 F38252826ACD957EF380D39F2F7956BC5DA04B5D
+
+ENV PHP_VERSION 5.5.33
+ENV PHP_FILENAME php-5.5.33.tar.xz
+ENV PHP_SHA256 b91dbd3c53f9895e8f7b29e5fed25a64dd3a76b454f6ef7265e73c96b4303f30
+
+RUN set -xe \
+	&& apk add --no-cache --virtual .build-deps \
+		curl-dev \
+		gnupg \
+		libedit-dev \
+		libxml2-dev \
+		openssl-dev \
+		sqlite-dev \
+	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
+	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
+	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
+	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
+	&& mkdir -p /usr/src \
+	&& tar -Jxf "$PHP_FILENAME" -C /usr/src \
+	&& mv "/usr/src/php-$PHP_VERSION" /usr/src/php \
+	&& rm "$PHP_FILENAME" \
+	&& cd /usr/src/php \
+	&& ./configure \
+		--with-config-file-path="$PHP_INI_DIR" \
+		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
+		$PHP_EXTRA_CONFIGURE_ARGS \
+		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
+		--enable-mysqlnd \
+		--with-curl \
+		--with-libedit \
+		--with-openssl \
+		--with-zlib \
+	&& make -j"$(getconf _NPROCESSORS_ONLN)" \
+	&& make install \
+	&& { find /usr/local/bin /usr/local/sbin -type f -perm +0111 -exec strip --strip-all '{}' + || true; } \
+	&& make clean \
+	&& runDeps="$( \
+		scanelf --needed --nobanner --recursive /usr/local \
+			| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
+			| sort -u \
+			| xargs -r apk info --installed \
+			| sort -u \
+	)" \
+	&& apk add --virtual .php-rundeps $runDeps \
+	&& apk del .build-deps
+
+COPY docker-php-ext-* /usr/local/bin/
+
+##<autogenerated>##
+CMD ["php", "-a"]
+##</autogenerated>##
diff --git a/5.5/alpine/docker-php-ext-configure b/5.5/alpine/docker-php-ext-configure
new file mode 100755
index 00000000..39947c8f
--- /dev/null
+++ b/5.5/alpine/docker-php-ext-configure
@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+ext="$1"
+extDir="/usr/src/php/ext/$ext"
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
+	echo >&2 "usage: $0 ext-name [configure flags]"
+	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
+	echo >&2
+	echo >&2 'Possible values for ext-name:'
+	echo >&2 $(find /usr/src/php/ext -mindepth 2 -maxdepth 2 -type f -name 'config.m4' | cut -d/ -f6 | sort)
+	exit 1
+fi
+shift
+
+set -x
+cd "$extDir"
+phpize
+./configure "$@"
diff --git a/5.5/alpine/docker-php-ext-enable b/5.5/alpine/docker-php-ext-enable
new file mode 100755
index 00000000..367aaf2b
--- /dev/null
+++ b/5.5/alpine/docker-php-ext-enable
@@ -0,0 +1,83 @@
+#!/bin/sh
+set -e
+
+cd "$(php -r 'echo ini_get("extension_dir");')"
+
+usage() {
+	echo "usage: $0 [options] module-name [module-name ...]"
+	echo "   ie: $0 gd mysqli"
+	echo "       $0 pdo pdo_mysql"
+	echo "       $0 --ini-name 0-apc.ini apcu apc"
+	echo
+	echo 'Possible values for module-name:'
+	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+}
+
+opts="$(getopt -o 'h?' --long 'help,ini-name:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+iniName=
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--ini-name) iniName="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+modules=
+for module; do
+	if [ -z "$module" ]; then
+		continue
+	fi
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
+		# allow ".so" to be optional
+		module="$module.so"
+	fi
+	if ! [ -f "$module" ]; then
+		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2
+		usage >&2
+		exit 1
+	fi
+	modules="$modules $module"
+done
+
+if [ -z "$modules" ]; then
+	usage >&2
+	exit 1
+fi
+
+for module in $modules; do
+	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
+		# https://wiki.php.net/internals/extensions#loading_zend_extensions
+		line="zend_extension=$(readlink -f "$module")"
+	else
+		line="extension=$module"
+	fi
+
+	ext="$(basename "$module")"
+	ext="${ext%.*}"
+	if php -r 'exit(extension_loaded("'"$ext"'") ? 0 : 1);'; then
+		# this isn't perfect, but it's better than nothing
+		# (for example, 'opcache.so' presents inside PHP as 'Zend OPcache', not 'opcache')
+		echo >&2
+		echo >&2 "warning: $ext ($module) is already loaded!"
+		echo >&2
+		continue
+	fi
+
+	ini="/usr/local/etc/php/conf.d/${iniName:-"docker-php-ext-$ext.ini"}"
+	if ! grep -q "$line" "$ini" 2>/dev/null; then
+		echo "$line" >> "$ini"
+	fi
+done
diff --git a/5.5/alpine/docker-php-ext-install b/5.5/alpine/docker-php-ext-install
new file mode 100755
index 00000000..67180a86
--- /dev/null
+++ b/5.5/alpine/docker-php-ext-install
@@ -0,0 +1,71 @@
+#!/bin/sh
+set -e
+
+cd /usr/src/php/ext
+
+usage() {
+	echo "usage: $0 [-jN] ext-name [ext-name ...]"
+	echo "   ie: $0 gd mysqli"
+	echo "       $0 pdo pdo_mysql"
+	echo "       $0 -j5 gd mbstring mysqli pdo pdo_mysql shmop"
+	echo
+	echo 'if custom ./configure arguments are necessary, see docker-php-ext-configure'
+	echo
+	echo 'Possible values for ext-name:'
+	echo $(find /usr/src/php/ext -mindepth 2 -maxdepth 2 -type f -name 'config.m4' | cut -d/ -f6 | sort)
+}
+
+opts="$(getopt -o 'h?j:' --long 'help,jobs:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+j=1
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--jobs|-j) j="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+exts=
+for ext; do
+	if [ -z "$ext" ]; then
+		continue
+	fi
+	if [ ! -d "$ext" ]; then
+		echo >&2 "error: $(pwd -P)/$ext does not exist"
+		echo >&2
+		usage >&2
+		exit 1
+	fi
+	exts="$exts $ext"
+done
+
+if [ -z "$exts" ]; then
+	usage >&2
+	exit 1
+fi
+
+for ext in $exts; do
+	(
+		cd "$ext"
+		[ -e Makefile ] || docker-php-ext-configure "$ext"
+		make -j"$j"
+		make -j"$j" install
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
+		make -j"$j" clean
+	)
+done
diff --git a/5.5/apache/Dockerfile b/5.5/apache/Dockerfile
index 44cf3a71..94881d08 100644
--- a/5.5/apache/Dockerfile
+++ b/5.5/apache/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -26,52 +41,51 @@ ENV PHP_EXTRA_CONFIGURE_ARGS --with-apxs2
 ##</autogenerated>##
 
 ENV GPG_KEYS 0B96609E270F565C13292B24C13C70B87267B52D 0BD78B5F97500D450838F95DFE857D9A90D90EC1 F38252826ACD957EF380D39F2F7956BC5DA04B5D
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 5.5.33
 ENV PHP_FILENAME php-5.5.33.tar.xz
 ENV PHP_SHA256 b91dbd3c53f9895e8f7b29e5fed25a64dd3a76b454f6ef7265e73c96b4303f30
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/5.5/apache/docker-php-ext-configure b/5.5/apache/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/5.5/apache/docker-php-ext-configure
+++ b/5.5/apache/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/5.5/apache/docker-php-ext-enable b/5.5/apache/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/5.5/apache/docker-php-ext-enable
+++ b/5.5/apache/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/5.5/apache/docker-php-ext-install b/5.5/apache/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/5.5/apache/docker-php-ext-install
+++ b/5.5/apache/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/5.5/docker-php-ext-configure b/5.5/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/5.5/docker-php-ext-configure
+++ b/5.5/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/5.5/docker-php-ext-enable b/5.5/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/5.5/docker-php-ext-enable
+++ b/5.5/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/5.5/docker-php-ext-install b/5.5/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/5.5/docker-php-ext-install
+++ b/5.5/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/5.5/fpm/Dockerfile b/5.5/fpm/Dockerfile
index 15257ea4..93363a27 100644
--- a/5.5/fpm/Dockerfile
+++ b/5.5/fpm/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -14,52 +29,51 @@ ENV PHP_EXTRA_CONFIGURE_ARGS --enable-fpm --with-fpm-user=www-data --with-fpm-gr
 ##</autogenerated>##
 
 ENV GPG_KEYS 0B96609E270F565C13292B24C13C70B87267B52D 0BD78B5F97500D450838F95DFE857D9A90D90EC1 F38252826ACD957EF380D39F2F7956BC5DA04B5D
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 5.5.33
 ENV PHP_FILENAME php-5.5.33.tar.xz
 ENV PHP_SHA256 b91dbd3c53f9895e8f7b29e5fed25a64dd3a76b454f6ef7265e73c96b4303f30
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/5.5/fpm/alpine/Dockerfile b/5.5/fpm/alpine/Dockerfile
new file mode 100644
index 00000000..3813e2d7
--- /dev/null
+++ b/5.5/fpm/alpine/Dockerfile
@@ -0,0 +1,131 @@
+FROM alpine:3.3
+
+# phpize deps
+RUN apk add --no-cache --virtual .phpize-deps \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkgconf \
+		re2c
+
+# persistent / runtime deps
+RUN apk add --no-cache --virtual .persistent-deps \
+		ca-certificates \
+		curl
+
+# ensure www-data user exists
+RUN set -x \
+	&& addgroup -g 82 -S www-data \
+	&& adduser -u 82 -D -S -G www-data www-data
+# 82 is the standard uid/gid for "www-data" in Alpine
+# http://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/nginx-initscripts/nginx-initscripts.pre-install?h=v3.3.2
+
+ENV PHP_INI_DIR /usr/local/etc/php
+RUN mkdir -p $PHP_INI_DIR/conf.d
+
+##<autogenerated>##
+ENV PHP_EXTRA_CONFIGURE_ARGS --enable-fpm --with-fpm-user=www-data --with-fpm-group=www-data
+##</autogenerated>##
+
+ENV GPG_KEYS 0B96609E270F565C13292B24C13C70B87267B52D 0BD78B5F97500D450838F95DFE857D9A90D90EC1 F38252826ACD957EF380D39F2F7956BC5DA04B5D
+
+ENV PHP_VERSION 5.5.33
+ENV PHP_FILENAME php-5.5.33.tar.xz
+ENV PHP_SHA256 b91dbd3c53f9895e8f7b29e5fed25a64dd3a76b454f6ef7265e73c96b4303f30
+
+RUN set -xe \
+	&& apk add --no-cache --virtual .build-deps \
+		curl-dev \
+		gnupg \
+		libedit-dev \
+		libxml2-dev \
+		openssl-dev \
+		sqlite-dev \
+	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
+	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
+	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
+	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
+	&& mkdir -p /usr/src \
+	&& tar -Jxf "$PHP_FILENAME" -C /usr/src \
+	&& mv "/usr/src/php-$PHP_VERSION" /usr/src/php \
+	&& rm "$PHP_FILENAME" \
+	&& cd /usr/src/php \
+	&& ./configure \
+		--with-config-file-path="$PHP_INI_DIR" \
+		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
+		$PHP_EXTRA_CONFIGURE_ARGS \
+		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
+		--enable-mysqlnd \
+		--with-curl \
+		--with-libedit \
+		--with-openssl \
+		--with-zlib \
+	&& make -j"$(getconf _NPROCESSORS_ONLN)" \
+	&& make install \
+	&& { find /usr/local/bin /usr/local/sbin -type f -perm +0111 -exec strip --strip-all '{}' + || true; } \
+	&& make clean \
+	&& runDeps="$( \
+		scanelf --needed --nobanner --recursive /usr/local \
+			| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
+			| sort -u \
+			| xargs -r apk info --installed \
+			| sort -u \
+	)" \
+	&& apk add --virtual .php-rundeps $runDeps \
+	&& apk del .build-deps
+
+COPY docker-php-ext-* /usr/local/bin/
+
+##<autogenerated>##
+WORKDIR /var/www/html
+
+RUN set -ex \
+	&& cd /usr/local/etc \
+	&& if [ -d php-fpm.d ]; then \
+		# for some reason, upstream's php-fpm.conf.default has "include=NONE/etc/php-fpm.d/*.conf"
+		sed 's!=NONE/!=!g' php-fpm.conf.default | tee php-fpm.conf > /dev/null; \
+		cp php-fpm.d/www.conf.default php-fpm.d/www.conf; \
+	else \
+		# PHP 5.x don't use "include=" by default, so we'll create our own simple config that mimics PHP 7+ for consistency
+		mkdir php-fpm.d; \
+		cp php-fpm.conf.default php-fpm.d/www.conf; \
+		{ \
+			echo '[global]'; \
+			echo 'include=etc/php-fpm.d/*.conf'; \
+		} | tee php-fpm.conf; \
+	fi \
+	&& { \
+		echo '[global]'; \
+		echo 'error_log = /proc/self/fd/2'; \
+		echo; \
+		echo '[www]'; \
+		echo '; if we send this to /proc/self/fd/1, it never appears'; \
+		echo 'access.log = /proc/self/fd/2'; \
+		echo; \
+		echo 'clear_env = no'; \
+		echo; \
+		echo '; Ensure worker stdout and stderr are sent to the main error log.'; \
+		echo 'catch_workers_output = yes'; \
+	} | tee php-fpm.d/docker.conf \
+	&& { \
+		echo '[global]'; \
+		echo 'daemonize = no'; \
+		echo; \
+		echo '[www]'; \
+		echo 'listen = [::]:9000'; \
+	} | tee php-fpm.d/zz-docker.conf
+
+EXPOSE 9000
+CMD ["php-fpm"]
+##</autogenerated>##
diff --git a/5.5/fpm/alpine/docker-php-ext-configure b/5.5/fpm/alpine/docker-php-ext-configure
new file mode 100755
index 00000000..39947c8f
--- /dev/null
+++ b/5.5/fpm/alpine/docker-php-ext-configure
@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+ext="$1"
+extDir="/usr/src/php/ext/$ext"
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
+	echo >&2 "usage: $0 ext-name [configure flags]"
+	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
+	echo >&2
+	echo >&2 'Possible values for ext-name:'
+	echo >&2 $(find /usr/src/php/ext -mindepth 2 -maxdepth 2 -type f -name 'config.m4' | cut -d/ -f6 | sort)
+	exit 1
+fi
+shift
+
+set -x
+cd "$extDir"
+phpize
+./configure "$@"
diff --git a/5.5/fpm/alpine/docker-php-ext-enable b/5.5/fpm/alpine/docker-php-ext-enable
new file mode 100755
index 00000000..367aaf2b
--- /dev/null
+++ b/5.5/fpm/alpine/docker-php-ext-enable
@@ -0,0 +1,83 @@
+#!/bin/sh
+set -e
+
+cd "$(php -r 'echo ini_get("extension_dir");')"
+
+usage() {
+	echo "usage: $0 [options] module-name [module-name ...]"
+	echo "   ie: $0 gd mysqli"
+	echo "       $0 pdo pdo_mysql"
+	echo "       $0 --ini-name 0-apc.ini apcu apc"
+	echo
+	echo 'Possible values for module-name:'
+	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+}
+
+opts="$(getopt -o 'h?' --long 'help,ini-name:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+iniName=
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--ini-name) iniName="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+modules=
+for module; do
+	if [ -z "$module" ]; then
+		continue
+	fi
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
+		# allow ".so" to be optional
+		module="$module.so"
+	fi
+	if ! [ -f "$module" ]; then
+		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2
+		usage >&2
+		exit 1
+	fi
+	modules="$modules $module"
+done
+
+if [ -z "$modules" ]; then
+	usage >&2
+	exit 1
+fi
+
+for module in $modules; do
+	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
+		# https://wiki.php.net/internals/extensions#loading_zend_extensions
+		line="zend_extension=$(readlink -f "$module")"
+	else
+		line="extension=$module"
+	fi
+
+	ext="$(basename "$module")"
+	ext="${ext%.*}"
+	if php -r 'exit(extension_loaded("'"$ext"'") ? 0 : 1);'; then
+		# this isn't perfect, but it's better than nothing
+		# (for example, 'opcache.so' presents inside PHP as 'Zend OPcache', not 'opcache')
+		echo >&2
+		echo >&2 "warning: $ext ($module) is already loaded!"
+		echo >&2
+		continue
+	fi
+
+	ini="/usr/local/etc/php/conf.d/${iniName:-"docker-php-ext-$ext.ini"}"
+	if ! grep -q "$line" "$ini" 2>/dev/null; then
+		echo "$line" >> "$ini"
+	fi
+done
diff --git a/5.5/fpm/alpine/docker-php-ext-install b/5.5/fpm/alpine/docker-php-ext-install
new file mode 100755
index 00000000..67180a86
--- /dev/null
+++ b/5.5/fpm/alpine/docker-php-ext-install
@@ -0,0 +1,71 @@
+#!/bin/sh
+set -e
+
+cd /usr/src/php/ext
+
+usage() {
+	echo "usage: $0 [-jN] ext-name [ext-name ...]"
+	echo "   ie: $0 gd mysqli"
+	echo "       $0 pdo pdo_mysql"
+	echo "       $0 -j5 gd mbstring mysqli pdo pdo_mysql shmop"
+	echo
+	echo 'if custom ./configure arguments are necessary, see docker-php-ext-configure'
+	echo
+	echo 'Possible values for ext-name:'
+	echo $(find /usr/src/php/ext -mindepth 2 -maxdepth 2 -type f -name 'config.m4' | cut -d/ -f6 | sort)
+}
+
+opts="$(getopt -o 'h?j:' --long 'help,jobs:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+j=1
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--jobs|-j) j="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+exts=
+for ext; do
+	if [ -z "$ext" ]; then
+		continue
+	fi
+	if [ ! -d "$ext" ]; then
+		echo >&2 "error: $(pwd -P)/$ext does not exist"
+		echo >&2
+		usage >&2
+		exit 1
+	fi
+	exts="$exts $ext"
+done
+
+if [ -z "$exts" ]; then
+	usage >&2
+	exit 1
+fi
+
+for ext in $exts; do
+	(
+		cd "$ext"
+		[ -e Makefile ] || docker-php-ext-configure "$ext"
+		make -j"$j"
+		make -j"$j" install
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
+		make -j"$j" clean
+	)
+done
diff --git a/5.5/fpm/docker-php-ext-configure b/5.5/fpm/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/5.5/fpm/docker-php-ext-configure
+++ b/5.5/fpm/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/5.5/fpm/docker-php-ext-enable b/5.5/fpm/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/5.5/fpm/docker-php-ext-enable
+++ b/5.5/fpm/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/5.5/fpm/docker-php-ext-install b/5.5/fpm/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/5.5/fpm/docker-php-ext-install
+++ b/5.5/fpm/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/5.5/zts/Dockerfile b/5.5/zts/Dockerfile
index ed13a814..42981dc7 100644
--- a/5.5/zts/Dockerfile
+++ b/5.5/zts/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -14,52 +29,51 @@ ENV PHP_EXTRA_CONFIGURE_ARGS --enable-maintainer-zts
 ##</autogenerated>##
 
 ENV GPG_KEYS 0B96609E270F565C13292B24C13C70B87267B52D 0BD78B5F97500D450838F95DFE857D9A90D90EC1 F38252826ACD957EF380D39F2F7956BC5DA04B5D
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 5.5.33
 ENV PHP_FILENAME php-5.5.33.tar.xz
 ENV PHP_SHA256 b91dbd3c53f9895e8f7b29e5fed25a64dd3a76b454f6ef7265e73c96b4303f30
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/5.5/zts/alpine/Dockerfile b/5.5/zts/alpine/Dockerfile
new file mode 100644
index 00000000..29d747ca
--- /dev/null
+++ b/5.5/zts/alpine/Dockerfile
@@ -0,0 +1,92 @@
+FROM alpine:3.3
+
+# phpize deps
+RUN apk add --no-cache --virtual .phpize-deps \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkgconf \
+		re2c
+
+# persistent / runtime deps
+RUN apk add --no-cache --virtual .persistent-deps \
+		ca-certificates \
+		curl
+
+# ensure www-data user exists
+RUN set -x \
+	&& addgroup -g 82 -S www-data \
+	&& adduser -u 82 -D -S -G www-data www-data
+# 82 is the standard uid/gid for "www-data" in Alpine
+# http://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/nginx-initscripts/nginx-initscripts.pre-install?h=v3.3.2
+
+ENV PHP_INI_DIR /usr/local/etc/php
+RUN mkdir -p $PHP_INI_DIR/conf.d
+
+##<autogenerated>##
+ENV PHP_EXTRA_CONFIGURE_ARGS --enable-maintainer-zts
+##</autogenerated>##
+
+ENV GPG_KEYS 0B96609E270F565C13292B24C13C70B87267B52D 0BD78B5F97500D450838F95DFE857D9A90D90EC1 F38252826ACD957EF380D39F2F7956BC5DA04B5D
+
+ENV PHP_VERSION 5.5.33
+ENV PHP_FILENAME php-5.5.33.tar.xz
+ENV PHP_SHA256 b91dbd3c53f9895e8f7b29e5fed25a64dd3a76b454f6ef7265e73c96b4303f30
+
+RUN set -xe \
+	&& apk add --no-cache --virtual .build-deps \
+		curl-dev \
+		gnupg \
+		libedit-dev \
+		libxml2-dev \
+		openssl-dev \
+		sqlite-dev \
+	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
+	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
+	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
+	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
+	&& mkdir -p /usr/src \
+	&& tar -Jxf "$PHP_FILENAME" -C /usr/src \
+	&& mv "/usr/src/php-$PHP_VERSION" /usr/src/php \
+	&& rm "$PHP_FILENAME" \
+	&& cd /usr/src/php \
+	&& ./configure \
+		--with-config-file-path="$PHP_INI_DIR" \
+		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
+		$PHP_EXTRA_CONFIGURE_ARGS \
+		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
+		--enable-mysqlnd \
+		--with-curl \
+		--with-libedit \
+		--with-openssl \
+		--with-zlib \
+	&& make -j"$(getconf _NPROCESSORS_ONLN)" \
+	&& make install \
+	&& { find /usr/local/bin /usr/local/sbin -type f -perm +0111 -exec strip --strip-all '{}' + || true; } \
+	&& make clean \
+	&& runDeps="$( \
+		scanelf --needed --nobanner --recursive /usr/local \
+			| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
+			| sort -u \
+			| xargs -r apk info --installed \
+			| sort -u \
+	)" \
+	&& apk add --virtual .php-rundeps $runDeps \
+	&& apk del .build-deps
+
+COPY docker-php-ext-* /usr/local/bin/
+
+##<autogenerated>##
+CMD ["php", "-a"]
+##</autogenerated>##
diff --git a/5.5/zts/alpine/docker-php-ext-configure b/5.5/zts/alpine/docker-php-ext-configure
new file mode 100755
index 00000000..39947c8f
--- /dev/null
+++ b/5.5/zts/alpine/docker-php-ext-configure
@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+ext="$1"
+extDir="/usr/src/php/ext/$ext"
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
+	echo >&2 "usage: $0 ext-name [configure flags]"
+	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
+	echo >&2
+	echo >&2 'Possible values for ext-name:'
+	echo >&2 $(find /usr/src/php/ext -mindepth 2 -maxdepth 2 -type f -name 'config.m4' | cut -d/ -f6 | sort)
+	exit 1
+fi
+shift
+
+set -x
+cd "$extDir"
+phpize
+./configure "$@"
diff --git a/5.5/zts/alpine/docker-php-ext-enable b/5.5/zts/alpine/docker-php-ext-enable
new file mode 100755
index 00000000..367aaf2b
--- /dev/null
+++ b/5.5/zts/alpine/docker-php-ext-enable
@@ -0,0 +1,83 @@
+#!/bin/sh
+set -e
+
+cd "$(php -r 'echo ini_get("extension_dir");')"
+
+usage() {
+	echo "usage: $0 [options] module-name [module-name ...]"
+	echo "   ie: $0 gd mysqli"
+	echo "       $0 pdo pdo_mysql"
+	echo "       $0 --ini-name 0-apc.ini apcu apc"
+	echo
+	echo 'Possible values for module-name:'
+	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+}
+
+opts="$(getopt -o 'h?' --long 'help,ini-name:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+iniName=
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--ini-name) iniName="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+modules=
+for module; do
+	if [ -z "$module" ]; then
+		continue
+	fi
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
+		# allow ".so" to be optional
+		module="$module.so"
+	fi
+	if ! [ -f "$module" ]; then
+		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2
+		usage >&2
+		exit 1
+	fi
+	modules="$modules $module"
+done
+
+if [ -z "$modules" ]; then
+	usage >&2
+	exit 1
+fi
+
+for module in $modules; do
+	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
+		# https://wiki.php.net/internals/extensions#loading_zend_extensions
+		line="zend_extension=$(readlink -f "$module")"
+	else
+		line="extension=$module"
+	fi
+
+	ext="$(basename "$module")"
+	ext="${ext%.*}"
+	if php -r 'exit(extension_loaded("'"$ext"'") ? 0 : 1);'; then
+		# this isn't perfect, but it's better than nothing
+		# (for example, 'opcache.so' presents inside PHP as 'Zend OPcache', not 'opcache')
+		echo >&2
+		echo >&2 "warning: $ext ($module) is already loaded!"
+		echo >&2
+		continue
+	fi
+
+	ini="/usr/local/etc/php/conf.d/${iniName:-"docker-php-ext-$ext.ini"}"
+	if ! grep -q "$line" "$ini" 2>/dev/null; then
+		echo "$line" >> "$ini"
+	fi
+done
diff --git a/5.5/zts/alpine/docker-php-ext-install b/5.5/zts/alpine/docker-php-ext-install
new file mode 100755
index 00000000..67180a86
--- /dev/null
+++ b/5.5/zts/alpine/docker-php-ext-install
@@ -0,0 +1,71 @@
+#!/bin/sh
+set -e
+
+cd /usr/src/php/ext
+
+usage() {
+	echo "usage: $0 [-jN] ext-name [ext-name ...]"
+	echo "   ie: $0 gd mysqli"
+	echo "       $0 pdo pdo_mysql"
+	echo "       $0 -j5 gd mbstring mysqli pdo pdo_mysql shmop"
+	echo
+	echo 'if custom ./configure arguments are necessary, see docker-php-ext-configure'
+	echo
+	echo 'Possible values for ext-name:'
+	echo $(find /usr/src/php/ext -mindepth 2 -maxdepth 2 -type f -name 'config.m4' | cut -d/ -f6 | sort)
+}
+
+opts="$(getopt -o 'h?j:' --long 'help,jobs:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+j=1
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--jobs|-j) j="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+exts=
+for ext; do
+	if [ -z "$ext" ]; then
+		continue
+	fi
+	if [ ! -d "$ext" ]; then
+		echo >&2 "error: $(pwd -P)/$ext does not exist"
+		echo >&2
+		usage >&2
+		exit 1
+	fi
+	exts="$exts $ext"
+done
+
+if [ -z "$exts" ]; then
+	usage >&2
+	exit 1
+fi
+
+for ext in $exts; do
+	(
+		cd "$ext"
+		[ -e Makefile ] || docker-php-ext-configure "$ext"
+		make -j"$j"
+		make -j"$j" install
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
+		make -j"$j" clean
+	)
+done
diff --git a/5.5/zts/docker-php-ext-configure b/5.5/zts/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/5.5/zts/docker-php-ext-configure
+++ b/5.5/zts/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/5.5/zts/docker-php-ext-enable b/5.5/zts/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/5.5/zts/docker-php-ext-enable
+++ b/5.5/zts/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/5.5/zts/docker-php-ext-install b/5.5/zts/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/5.5/zts/docker-php-ext-install
+++ b/5.5/zts/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/5.6/Dockerfile b/5.6/Dockerfile
index ebed6328..d3ff994f 100644
--- a/5.6/Dockerfile
+++ b/5.6/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -13,52 +28,51 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
 ##</autogenerated>##
 
 ENV GPG_KEYS 0BD78B5F97500D450838F95DFE857D9A90D90EC1 6E4F6AB321FDC07F2C332E3AC2BF0BC433CFC8B3
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 5.6.19
 ENV PHP_FILENAME php-5.6.19.tar.xz
 ENV PHP_SHA256 bb32337f93a00b71789f116bddafa8848139120e7fb6f4f98a84f52dbcb8329f
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/5.6/alpine/Dockerfile b/5.6/alpine/Dockerfile
index 41f23b29..dac4914d 100644
--- a/5.6/alpine/Dockerfile
+++ b/5.6/alpine/Dockerfile
@@ -1,53 +1,74 @@
 FROM alpine:3.3
 
+# phpize deps
+RUN apk add --no-cache --virtual .phpize-deps \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkgconf \
+		re2c
+
+# persistent / runtime deps
+RUN apk add --no-cache --virtual .persistent-deps \
+		ca-certificates \
+		curl
+
+# ensure www-data user exists
+RUN set -x \
+	&& addgroup -g 82 -S www-data \
+	&& adduser -u 82 -D -S -G www-data www-data
+# 82 is the standard uid/gid for "www-data" in Alpine
+# http://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/nginx-initscripts/nginx-initscripts.pre-install?h=v3.3.2
+
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
 
-ENV PHP_VERSION 5.6.19
-ENV PHP_FILENAME php-5.6.19.tar.xz
-ENV PHP_SHA256 2a24a3f84971680ac0a4c71050067de4f76ee235aa4a041fae21bfa69975c168
-
 ##<autogenerated>##
 ##</autogenerated>##
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
 ENV GPG_KEYS 0BD78B5F97500D450838F95DFE857D9A90D90EC1 6E4F6AB321FDC07F2C332E3AC2BF0BC433CFC8B3
+
+ENV PHP_VERSION 5.6.19
+ENV PHP_FILENAME php-5.6.19.tar.xz
+ENV PHP_SHA256 bb32337f93a00b71789f116bddafa8848139120e7fb6f4f98a84f52dbcb8329f
+
 RUN set -xe \
 	&& apk add --no-cache --virtual .build-deps \
-		autoconf \
 		curl-dev \
-		file \
-		gcc \
 		gnupg \
-		libc-dev \
 		libedit-dev \
 		libxml2-dev \
-		make \
 		openssl-dev \
-		pkgconf \
-		re2c \
 		sqlite-dev \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src \
 	&& tar -Jxf "$PHP_FILENAME" -C /usr/src \
-	&& mv /usr/src/php-$PHP_VERSION /usr/src/php \
-	&& rm "$PHP_FILENAME"* \
+	&& mv "/usr/src/php-$PHP_VERSION" /usr/src/php \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
-		--with-openssl \
 		--with-libedit \
+		--with-openssl \
 		--with-zlib \
 	&& make -j"$(getconf _NPROCESSORS_ONLN)" \
 	&& make install \
diff --git a/5.6/alpine/docker-php-ext-enable b/5.6/alpine/docker-php-ext-enable
index 5381d0d0..367aaf2b 100755
--- a/5.6/alpine/docker-php-ext-enable
+++ b/5.6/alpine/docker-php-ext-enable
@@ -4,15 +4,37 @@ set -e
 cd "$(php -r 'echo ini_get("extension_dir");')"
 
 usage() {
-	echo "usage: $0 module-name [module-name ...]"
+	echo "usage: $0 [options] module-name [module-name ...]"
 	echo "   ie: $0 gd mysqli"
 	echo "       $0 pdo pdo_mysql"
+	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
 	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
 }
 
-modules=""
+opts="$(getopt -o 'h?' --long 'help,ini-name:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+iniName=
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--ini-name) iniName="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+modules=
 for module; do
 	if [ -z "$module" ]; then
 		continue
@@ -35,8 +57,8 @@ if [ -z "$modules" ]; then
 	exit 1
 fi
 
-for module in ${modules}; do
-	if grep -q zend_extension_entry "$module"; then
+for module in $modules; do
+	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
 	else
@@ -54,7 +76,7 @@ for module in ${modules}; do
 		continue
 	fi
 
-	ini="/usr/local/etc/php/conf.d/docker-php-ext-$ext.ini"
+	ini="/usr/local/etc/php/conf.d/${iniName:-"docker-php-ext-$ext.ini"}"
 	if ! grep -q "$line" "$ini" 2>/dev/null; then
 		echo "$line" >> "$ini"
 	fi
diff --git a/5.6/alpine/docker-php-ext-install b/5.6/alpine/docker-php-ext-install
index 68309ff9..67180a86 100755
--- a/5.6/alpine/docker-php-ext-install
+++ b/5.6/alpine/docker-php-ext-install
@@ -61,7 +61,11 @@ for ext in $exts; do
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		ls modules/*.so | cut -d/ -f2 | xargs -r docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/5.6/apache/Dockerfile b/5.6/apache/Dockerfile
index bab1182b..f683e2cf 100644
--- a/5.6/apache/Dockerfile
+++ b/5.6/apache/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -26,52 +41,51 @@ ENV PHP_EXTRA_CONFIGURE_ARGS --with-apxs2
 ##</autogenerated>##
 
 ENV GPG_KEYS 0BD78B5F97500D450838F95DFE857D9A90D90EC1 6E4F6AB321FDC07F2C332E3AC2BF0BC433CFC8B3
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 5.6.19
 ENV PHP_FILENAME php-5.6.19.tar.xz
 ENV PHP_SHA256 bb32337f93a00b71789f116bddafa8848139120e7fb6f4f98a84f52dbcb8329f
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/5.6/apache/docker-php-ext-configure b/5.6/apache/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/5.6/apache/docker-php-ext-configure
+++ b/5.6/apache/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/5.6/apache/docker-php-ext-enable b/5.6/apache/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/5.6/apache/docker-php-ext-enable
+++ b/5.6/apache/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/5.6/apache/docker-php-ext-install b/5.6/apache/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/5.6/apache/docker-php-ext-install
+++ b/5.6/apache/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/5.6/docker-php-ext-configure b/5.6/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/5.6/docker-php-ext-configure
+++ b/5.6/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/5.6/docker-php-ext-enable b/5.6/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/5.6/docker-php-ext-enable
+++ b/5.6/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/5.6/docker-php-ext-install b/5.6/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/5.6/docker-php-ext-install
+++ b/5.6/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/5.6/fpm/Dockerfile b/5.6/fpm/Dockerfile
index d15614a8..eee61765 100644
--- a/5.6/fpm/Dockerfile
+++ b/5.6/fpm/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -14,52 +29,51 @@ ENV PHP_EXTRA_CONFIGURE_ARGS --enable-fpm --with-fpm-user=www-data --with-fpm-gr
 ##</autogenerated>##
 
 ENV GPG_KEYS 0BD78B5F97500D450838F95DFE857D9A90D90EC1 6E4F6AB321FDC07F2C332E3AC2BF0BC433CFC8B3
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 5.6.19
 ENV PHP_FILENAME php-5.6.19.tar.xz
 ENV PHP_SHA256 bb32337f93a00b71789f116bddafa8848139120e7fb6f4f98a84f52dbcb8329f
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/5.6/fpm/alpine/Dockerfile b/5.6/fpm/alpine/Dockerfile
index 762ba54d..e6b8c480 100644
--- a/5.6/fpm/alpine/Dockerfile
+++ b/5.6/fpm/alpine/Dockerfile
@@ -1,57 +1,75 @@
 FROM alpine:3.3
 
+# phpize deps
+RUN apk add --no-cache --virtual .phpize-deps \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkgconf \
+		re2c
+
+# persistent / runtime deps
+RUN apk add --no-cache --virtual .persistent-deps \
+		ca-certificates \
+		curl
+
+# ensure www-data user exists
+RUN set -x \
+	&& addgroup -g 82 -S www-data \
+	&& adduser -u 82 -D -S -G www-data www-data
+# 82 is the standard uid/gid for "www-data" in Alpine
+# http://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/nginx-initscripts/nginx-initscripts.pre-install?h=v3.3.2
+
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
 
-ENV PHP_VERSION 5.6.18
-ENV PHP_FILENAME php-5.6.18.tar.xz
-ENV PHP_SHA256 54dd9106c3469bc7028644d72ac140af00655420bbaaf4a742a64e9ed02ec1b0
-
-
 ##<autogenerated>##
 ENV PHP_EXTRA_CONFIGURE_ARGS --enable-fpm --with-fpm-user=www-data --with-fpm-group=www-data
 ##</autogenerated>##
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
 ENV GPG_KEYS 0BD78B5F97500D450838F95DFE857D9A90D90EC1 6E4F6AB321FDC07F2C332E3AC2BF0BC433CFC8B3
-RUN addgroup -g 82 -S www-data \
-	&& adduser -u 82 -D -S -G www-data www-data
+
+ENV PHP_VERSION 5.6.19
+ENV PHP_FILENAME php-5.6.19.tar.xz
+ENV PHP_SHA256 bb32337f93a00b71789f116bddafa8848139120e7fb6f4f98a84f52dbcb8329f
+
 RUN set -xe \
 	&& apk add --no-cache --virtual .build-deps \
-		autoconf \
 		curl-dev \
-		file \
-		gcc \
 		gnupg \
-		libc-dev \
 		libedit-dev \
 		libxml2-dev \
-		make \
 		openssl-dev \
-		pkgconf \
-		re2c \
 		sqlite-dev \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src \
 	&& tar -Jxf "$PHP_FILENAME" -C /usr/src \
-	&& mv /usr/src/php-$PHP_VERSION /usr/src/php \
-	&& rm "$PHP_FILENAME"* \
+	&& mv "/usr/src/php-$PHP_VERSION" /usr/src/php \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
-		--with-openssl \
 		--with-libedit \
+		--with-openssl \
 		--with-zlib \
 	&& make -j"$(getconf _NPROCESSORS_ONLN)" \
 	&& make install \
diff --git a/5.6/fpm/alpine/docker-php-ext-enable b/5.6/fpm/alpine/docker-php-ext-enable
index 5381d0d0..367aaf2b 100755
--- a/5.6/fpm/alpine/docker-php-ext-enable
+++ b/5.6/fpm/alpine/docker-php-ext-enable
@@ -4,15 +4,37 @@ set -e
 cd "$(php -r 'echo ini_get("extension_dir");')"
 
 usage() {
-	echo "usage: $0 module-name [module-name ...]"
+	echo "usage: $0 [options] module-name [module-name ...]"
 	echo "   ie: $0 gd mysqli"
 	echo "       $0 pdo pdo_mysql"
+	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
 	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
 }
 
-modules=""
+opts="$(getopt -o 'h?' --long 'help,ini-name:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+iniName=
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--ini-name) iniName="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+modules=
 for module; do
 	if [ -z "$module" ]; then
 		continue
@@ -35,8 +57,8 @@ if [ -z "$modules" ]; then
 	exit 1
 fi
 
-for module in ${modules}; do
-	if grep -q zend_extension_entry "$module"; then
+for module in $modules; do
+	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
 	else
@@ -54,7 +76,7 @@ for module in ${modules}; do
 		continue
 	fi
 
-	ini="/usr/local/etc/php/conf.d/docker-php-ext-$ext.ini"
+	ini="/usr/local/etc/php/conf.d/${iniName:-"docker-php-ext-$ext.ini"}"
 	if ! grep -q "$line" "$ini" 2>/dev/null; then
 		echo "$line" >> "$ini"
 	fi
diff --git a/5.6/fpm/alpine/docker-php-ext-install b/5.6/fpm/alpine/docker-php-ext-install
index 68309ff9..67180a86 100755
--- a/5.6/fpm/alpine/docker-php-ext-install
+++ b/5.6/fpm/alpine/docker-php-ext-install
@@ -61,7 +61,11 @@ for ext in $exts; do
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		ls modules/*.so | cut -d/ -f2 | xargs -r docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/5.6/fpm/docker-php-ext-configure b/5.6/fpm/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/5.6/fpm/docker-php-ext-configure
+++ b/5.6/fpm/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/5.6/fpm/docker-php-ext-enable b/5.6/fpm/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/5.6/fpm/docker-php-ext-enable
+++ b/5.6/fpm/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/5.6/fpm/docker-php-ext-install b/5.6/fpm/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/5.6/fpm/docker-php-ext-install
+++ b/5.6/fpm/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/5.6/zts/Dockerfile b/5.6/zts/Dockerfile
index 32d0f6ff..74455f3d 100644
--- a/5.6/zts/Dockerfile
+++ b/5.6/zts/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -14,52 +29,51 @@ ENV PHP_EXTRA_CONFIGURE_ARGS --enable-maintainer-zts
 ##</autogenerated>##
 
 ENV GPG_KEYS 0BD78B5F97500D450838F95DFE857D9A90D90EC1 6E4F6AB321FDC07F2C332E3AC2BF0BC433CFC8B3
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 5.6.19
 ENV PHP_FILENAME php-5.6.19.tar.xz
 ENV PHP_SHA256 bb32337f93a00b71789f116bddafa8848139120e7fb6f4f98a84f52dbcb8329f
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/5.6/zts/alpine/Dockerfile b/5.6/zts/alpine/Dockerfile
new file mode 100644
index 00000000..59a2e59e
--- /dev/null
+++ b/5.6/zts/alpine/Dockerfile
@@ -0,0 +1,92 @@
+FROM alpine:3.3
+
+# phpize deps
+RUN apk add --no-cache --virtual .phpize-deps \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkgconf \
+		re2c
+
+# persistent / runtime deps
+RUN apk add --no-cache --virtual .persistent-deps \
+		ca-certificates \
+		curl
+
+# ensure www-data user exists
+RUN set -x \
+	&& addgroup -g 82 -S www-data \
+	&& adduser -u 82 -D -S -G www-data www-data
+# 82 is the standard uid/gid for "www-data" in Alpine
+# http://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/nginx-initscripts/nginx-initscripts.pre-install?h=v3.3.2
+
+ENV PHP_INI_DIR /usr/local/etc/php
+RUN mkdir -p $PHP_INI_DIR/conf.d
+
+##<autogenerated>##
+ENV PHP_EXTRA_CONFIGURE_ARGS --enable-maintainer-zts
+##</autogenerated>##
+
+ENV GPG_KEYS 0BD78B5F97500D450838F95DFE857D9A90D90EC1 6E4F6AB321FDC07F2C332E3AC2BF0BC433CFC8B3
+
+ENV PHP_VERSION 5.6.19
+ENV PHP_FILENAME php-5.6.19.tar.xz
+ENV PHP_SHA256 bb32337f93a00b71789f116bddafa8848139120e7fb6f4f98a84f52dbcb8329f
+
+RUN set -xe \
+	&& apk add --no-cache --virtual .build-deps \
+		curl-dev \
+		gnupg \
+		libedit-dev \
+		libxml2-dev \
+		openssl-dev \
+		sqlite-dev \
+	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
+	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
+	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
+	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
+	&& mkdir -p /usr/src \
+	&& tar -Jxf "$PHP_FILENAME" -C /usr/src \
+	&& mv "/usr/src/php-$PHP_VERSION" /usr/src/php \
+	&& rm "$PHP_FILENAME" \
+	&& cd /usr/src/php \
+	&& ./configure \
+		--with-config-file-path="$PHP_INI_DIR" \
+		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
+		$PHP_EXTRA_CONFIGURE_ARGS \
+		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
+		--enable-mysqlnd \
+		--with-curl \
+		--with-libedit \
+		--with-openssl \
+		--with-zlib \
+	&& make -j"$(getconf _NPROCESSORS_ONLN)" \
+	&& make install \
+	&& { find /usr/local/bin /usr/local/sbin -type f -perm +0111 -exec strip --strip-all '{}' + || true; } \
+	&& make clean \
+	&& runDeps="$( \
+		scanelf --needed --nobanner --recursive /usr/local \
+			| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
+			| sort -u \
+			| xargs -r apk info --installed \
+			| sort -u \
+	)" \
+	&& apk add --virtual .php-rundeps $runDeps \
+	&& apk del .build-deps
+
+COPY docker-php-ext-* /usr/local/bin/
+
+##<autogenerated>##
+CMD ["php", "-a"]
+##</autogenerated>##
diff --git a/5.6/zts/alpine/docker-php-ext-configure b/5.6/zts/alpine/docker-php-ext-configure
new file mode 100755
index 00000000..39947c8f
--- /dev/null
+++ b/5.6/zts/alpine/docker-php-ext-configure
@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+ext="$1"
+extDir="/usr/src/php/ext/$ext"
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
+	echo >&2 "usage: $0 ext-name [configure flags]"
+	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
+	echo >&2
+	echo >&2 'Possible values for ext-name:'
+	echo >&2 $(find /usr/src/php/ext -mindepth 2 -maxdepth 2 -type f -name 'config.m4' | cut -d/ -f6 | sort)
+	exit 1
+fi
+shift
+
+set -x
+cd "$extDir"
+phpize
+./configure "$@"
diff --git a/5.6/zts/alpine/docker-php-ext-enable b/5.6/zts/alpine/docker-php-ext-enable
new file mode 100755
index 00000000..367aaf2b
--- /dev/null
+++ b/5.6/zts/alpine/docker-php-ext-enable
@@ -0,0 +1,83 @@
+#!/bin/sh
+set -e
+
+cd "$(php -r 'echo ini_get("extension_dir");')"
+
+usage() {
+	echo "usage: $0 [options] module-name [module-name ...]"
+	echo "   ie: $0 gd mysqli"
+	echo "       $0 pdo pdo_mysql"
+	echo "       $0 --ini-name 0-apc.ini apcu apc"
+	echo
+	echo 'Possible values for module-name:'
+	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+}
+
+opts="$(getopt -o 'h?' --long 'help,ini-name:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+iniName=
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--ini-name) iniName="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+modules=
+for module; do
+	if [ -z "$module" ]; then
+		continue
+	fi
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
+		# allow ".so" to be optional
+		module="$module.so"
+	fi
+	if ! [ -f "$module" ]; then
+		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2
+		usage >&2
+		exit 1
+	fi
+	modules="$modules $module"
+done
+
+if [ -z "$modules" ]; then
+	usage >&2
+	exit 1
+fi
+
+for module in $modules; do
+	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
+		# https://wiki.php.net/internals/extensions#loading_zend_extensions
+		line="zend_extension=$(readlink -f "$module")"
+	else
+		line="extension=$module"
+	fi
+
+	ext="$(basename "$module")"
+	ext="${ext%.*}"
+	if php -r 'exit(extension_loaded("'"$ext"'") ? 0 : 1);'; then
+		# this isn't perfect, but it's better than nothing
+		# (for example, 'opcache.so' presents inside PHP as 'Zend OPcache', not 'opcache')
+		echo >&2
+		echo >&2 "warning: $ext ($module) is already loaded!"
+		echo >&2
+		continue
+	fi
+
+	ini="/usr/local/etc/php/conf.d/${iniName:-"docker-php-ext-$ext.ini"}"
+	if ! grep -q "$line" "$ini" 2>/dev/null; then
+		echo "$line" >> "$ini"
+	fi
+done
diff --git a/5.6/zts/alpine/docker-php-ext-install b/5.6/zts/alpine/docker-php-ext-install
new file mode 100755
index 00000000..67180a86
--- /dev/null
+++ b/5.6/zts/alpine/docker-php-ext-install
@@ -0,0 +1,71 @@
+#!/bin/sh
+set -e
+
+cd /usr/src/php/ext
+
+usage() {
+	echo "usage: $0 [-jN] ext-name [ext-name ...]"
+	echo "   ie: $0 gd mysqli"
+	echo "       $0 pdo pdo_mysql"
+	echo "       $0 -j5 gd mbstring mysqli pdo pdo_mysql shmop"
+	echo
+	echo 'if custom ./configure arguments are necessary, see docker-php-ext-configure'
+	echo
+	echo 'Possible values for ext-name:'
+	echo $(find /usr/src/php/ext -mindepth 2 -maxdepth 2 -type f -name 'config.m4' | cut -d/ -f6 | sort)
+}
+
+opts="$(getopt -o 'h?j:' --long 'help,jobs:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+j=1
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--jobs|-j) j="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+exts=
+for ext; do
+	if [ -z "$ext" ]; then
+		continue
+	fi
+	if [ ! -d "$ext" ]; then
+		echo >&2 "error: $(pwd -P)/$ext does not exist"
+		echo >&2
+		usage >&2
+		exit 1
+	fi
+	exts="$exts $ext"
+done
+
+if [ -z "$exts" ]; then
+	usage >&2
+	exit 1
+fi
+
+for ext in $exts; do
+	(
+		cd "$ext"
+		[ -e Makefile ] || docker-php-ext-configure "$ext"
+		make -j"$j"
+		make -j"$j" install
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
+		make -j"$j" clean
+	)
+done
diff --git a/5.6/zts/docker-php-ext-configure b/5.6/zts/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/5.6/zts/docker-php-ext-configure
+++ b/5.6/zts/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/5.6/zts/docker-php-ext-enable b/5.6/zts/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/5.6/zts/docker-php-ext-enable
+++ b/5.6/zts/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/5.6/zts/docker-php-ext-install b/5.6/zts/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/5.6/zts/docker-php-ext-install
+++ b/5.6/zts/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/7.0/Dockerfile b/7.0/Dockerfile
index 1a1f31c9..9df465c5 100644
--- a/7.0/Dockerfile
+++ b/7.0/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -13,52 +28,51 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
 ##</autogenerated>##
 
 ENV GPG_KEYS 1A4E8B7277C42E53DBA9C7B9BCAA30EA9C0D5763
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 7.0.4
 ENV PHP_FILENAME php-7.0.4.tar.xz
 ENV PHP_SHA256 584e0e374e357a71b6e95175a2947d787453afc7f9ab7c55651c10491c4df532
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/7.0/alpine/Dockerfile b/7.0/alpine/Dockerfile
index d035877e..e0ef122e 100644
--- a/7.0/alpine/Dockerfile
+++ b/7.0/alpine/Dockerfile
@@ -1,53 +1,74 @@
 FROM alpine:3.3
 
+# phpize deps
+RUN apk add --no-cache --virtual .phpize-deps \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkgconf \
+		re2c
+
+# persistent / runtime deps
+RUN apk add --no-cache --virtual .persistent-deps \
+		ca-certificates \
+		curl
+
+# ensure www-data user exists
+RUN set -x \
+	&& addgroup -g 82 -S www-data \
+	&& adduser -u 82 -D -S -G www-data www-data
+# 82 is the standard uid/gid for "www-data" in Alpine
+# http://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/nginx-initscripts/nginx-initscripts.pre-install?h=v3.3.2
+
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
 
+##<autogenerated>##
+##</autogenerated>##
+
+ENV GPG_KEYS 1A4E8B7277C42E53DBA9C7B9BCAA30EA9C0D5763
+
 ENV PHP_VERSION 7.0.4
 ENV PHP_FILENAME php-7.0.4.tar.xz
 ENV PHP_SHA256 584e0e374e357a71b6e95175a2947d787453afc7f9ab7c55651c10491c4df532
 
-##<autogenerated>##
-##</autogenerated>##
-
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-ENV GPG_KEYS 1A4E8B7277C42E53DBA9C7B9BCAA30EA9C0D5763
 RUN set -xe \
 	&& apk add --no-cache --virtual .build-deps \
-		autoconf \
 		curl-dev \
-		file \
-		gcc \
 		gnupg \
-		libc-dev \
 		libedit-dev \
 		libxml2-dev \
-		make \
 		openssl-dev \
-		pkgconf \
-		re2c \
 		sqlite-dev \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src \
 	&& tar -Jxf "$PHP_FILENAME" -C /usr/src \
-	&& mv /usr/src/php-$PHP_VERSION /usr/src/php \
-	&& rm "$PHP_FILENAME"* \
+	&& mv "/usr/src/php-$PHP_VERSION" /usr/src/php \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
-		--with-openssl \
 		--with-libedit \
+		--with-openssl \
 		--with-zlib \
 	&& make -j"$(getconf _NPROCESSORS_ONLN)" \
 	&& make install \
diff --git a/7.0/alpine/docker-php-ext-enable b/7.0/alpine/docker-php-ext-enable
index 5381d0d0..367aaf2b 100755
--- a/7.0/alpine/docker-php-ext-enable
+++ b/7.0/alpine/docker-php-ext-enable
@@ -4,15 +4,37 @@ set -e
 cd "$(php -r 'echo ini_get("extension_dir");')"
 
 usage() {
-	echo "usage: $0 module-name [module-name ...]"
+	echo "usage: $0 [options] module-name [module-name ...]"
 	echo "   ie: $0 gd mysqli"
 	echo "       $0 pdo pdo_mysql"
+	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
 	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
 }
 
-modules=""
+opts="$(getopt -o 'h?' --long 'help,ini-name:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+iniName=
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--ini-name) iniName="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+modules=
 for module; do
 	if [ -z "$module" ]; then
 		continue
@@ -35,8 +57,8 @@ if [ -z "$modules" ]; then
 	exit 1
 fi
 
-for module in ${modules}; do
-	if grep -q zend_extension_entry "$module"; then
+for module in $modules; do
+	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
 	else
@@ -54,7 +76,7 @@ for module in ${modules}; do
 		continue
 	fi
 
-	ini="/usr/local/etc/php/conf.d/docker-php-ext-$ext.ini"
+	ini="/usr/local/etc/php/conf.d/${iniName:-"docker-php-ext-$ext.ini"}"
 	if ! grep -q "$line" "$ini" 2>/dev/null; then
 		echo "$line" >> "$ini"
 	fi
diff --git a/7.0/alpine/docker-php-ext-install b/7.0/alpine/docker-php-ext-install
index 68309ff9..67180a86 100755
--- a/7.0/alpine/docker-php-ext-install
+++ b/7.0/alpine/docker-php-ext-install
@@ -61,7 +61,11 @@ for ext in $exts; do
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		ls modules/*.so | cut -d/ -f2 | xargs -r docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/7.0/apache/Dockerfile b/7.0/apache/Dockerfile
index 269827dd..4c73f911 100644
--- a/7.0/apache/Dockerfile
+++ b/7.0/apache/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -26,52 +41,51 @@ ENV PHP_EXTRA_CONFIGURE_ARGS --with-apxs2
 ##</autogenerated>##
 
 ENV GPG_KEYS 1A4E8B7277C42E53DBA9C7B9BCAA30EA9C0D5763
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 7.0.4
 ENV PHP_FILENAME php-7.0.4.tar.xz
 ENV PHP_SHA256 584e0e374e357a71b6e95175a2947d787453afc7f9ab7c55651c10491c4df532
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/7.0/apache/docker-php-ext-configure b/7.0/apache/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/7.0/apache/docker-php-ext-configure
+++ b/7.0/apache/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/7.0/apache/docker-php-ext-enable b/7.0/apache/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/7.0/apache/docker-php-ext-enable
+++ b/7.0/apache/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/7.0/apache/docker-php-ext-install b/7.0/apache/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/7.0/apache/docker-php-ext-install
+++ b/7.0/apache/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/7.0/docker-php-ext-configure b/7.0/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/7.0/docker-php-ext-configure
+++ b/7.0/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/7.0/docker-php-ext-enable b/7.0/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/7.0/docker-php-ext-enable
+++ b/7.0/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/7.0/docker-php-ext-install b/7.0/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/7.0/docker-php-ext-install
+++ b/7.0/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/7.0/fpm/Dockerfile b/7.0/fpm/Dockerfile
index 8be39711..216c116e 100644
--- a/7.0/fpm/Dockerfile
+++ b/7.0/fpm/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -14,52 +29,51 @@ ENV PHP_EXTRA_CONFIGURE_ARGS --enable-fpm --with-fpm-user=www-data --with-fpm-gr
 ##</autogenerated>##
 
 ENV GPG_KEYS 1A4E8B7277C42E53DBA9C7B9BCAA30EA9C0D5763
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 7.0.4
 ENV PHP_FILENAME php-7.0.4.tar.xz
 ENV PHP_SHA256 584e0e374e357a71b6e95175a2947d787453afc7f9ab7c55651c10491c4df532
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/7.0/fpm/alpine/Dockerfile b/7.0/fpm/alpine/Dockerfile
index 3691eace..993446a8 100644
--- a/7.0/fpm/alpine/Dockerfile
+++ b/7.0/fpm/alpine/Dockerfile
@@ -1,57 +1,75 @@
 FROM alpine:3.3
 
+# phpize deps
+RUN apk add --no-cache --virtual .phpize-deps \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkgconf \
+		re2c
+
+# persistent / runtime deps
+RUN apk add --no-cache --virtual .persistent-deps \
+		ca-certificates \
+		curl
+
+# ensure www-data user exists
+RUN set -x \
+	&& addgroup -g 82 -S www-data \
+	&& adduser -u 82 -D -S -G www-data www-data
+# 82 is the standard uid/gid for "www-data" in Alpine
+# http://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/nginx-initscripts/nginx-initscripts.pre-install?h=v3.3.2
+
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
 
-ENV PHP_VERSION 7.0.4
-ENV PHP_FILENAME php-7.0.4.tar.xz
-ENV PHP_SHA256 584e0e374e357a71b6e95175a2947d787453afc7f9ab7c55651c10491c4df532
-
-
 ##<autogenerated>##
 ENV PHP_EXTRA_CONFIGURE_ARGS --enable-fpm --with-fpm-user=www-data --with-fpm-group=www-data
 ##</autogenerated>##
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
 ENV GPG_KEYS 1A4E8B7277C42E53DBA9C7B9BCAA30EA9C0D5763
-RUN addgroup -g 82 -S www-data \
-	&& adduser -u 82 -D -S -G www-data www-data
+
+ENV PHP_VERSION 7.0.4
+ENV PHP_FILENAME php-7.0.4.tar.xz
+ENV PHP_SHA256 584e0e374e357a71b6e95175a2947d787453afc7f9ab7c55651c10491c4df532
+
 RUN set -xe \
 	&& apk add --no-cache --virtual .build-deps \
-		autoconf \
 		curl-dev \
-		file \
-		gcc \
 		gnupg \
-		libc-dev \
 		libedit-dev \
 		libxml2-dev \
-		make \
 		openssl-dev \
-		pkgconf \
-		re2c \
 		sqlite-dev \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src \
 	&& tar -Jxf "$PHP_FILENAME" -C /usr/src \
-	&& mv /usr/src/php-$PHP_VERSION /usr/src/php \
-	&& rm "$PHP_FILENAME"* \
+	&& mv "/usr/src/php-$PHP_VERSION" /usr/src/php \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
-		--with-openssl \
 		--with-libedit \
+		--with-openssl \
 		--with-zlib \
 	&& make -j"$(getconf _NPROCESSORS_ONLN)" \
 	&& make install \
diff --git a/7.0/fpm/alpine/docker-php-ext-enable b/7.0/fpm/alpine/docker-php-ext-enable
index 5381d0d0..367aaf2b 100755
--- a/7.0/fpm/alpine/docker-php-ext-enable
+++ b/7.0/fpm/alpine/docker-php-ext-enable
@@ -4,15 +4,37 @@ set -e
 cd "$(php -r 'echo ini_get("extension_dir");')"
 
 usage() {
-	echo "usage: $0 module-name [module-name ...]"
+	echo "usage: $0 [options] module-name [module-name ...]"
 	echo "   ie: $0 gd mysqli"
 	echo "       $0 pdo pdo_mysql"
+	echo "       $0 --ini-name 0-apc.ini apcu apc"
 	echo
 	echo 'Possible values for module-name:'
 	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
 }
 
-modules=""
+opts="$(getopt -o 'h?' --long 'help,ini-name:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+iniName=
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--ini-name) iniName="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+modules=
 for module; do
 	if [ -z "$module" ]; then
 		continue
@@ -35,8 +57,8 @@ if [ -z "$modules" ]; then
 	exit 1
 fi
 
-for module in ${modules}; do
-	if grep -q zend_extension_entry "$module"; then
+for module in $modules; do
+	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
 	else
@@ -54,7 +76,7 @@ for module in ${modules}; do
 		continue
 	fi
 
-	ini="/usr/local/etc/php/conf.d/docker-php-ext-$ext.ini"
+	ini="/usr/local/etc/php/conf.d/${iniName:-"docker-php-ext-$ext.ini"}"
 	if ! grep -q "$line" "$ini" 2>/dev/null; then
 		echo "$line" >> "$ini"
 	fi
diff --git a/7.0/fpm/alpine/docker-php-ext-install b/7.0/fpm/alpine/docker-php-ext-install
index 68309ff9..67180a86 100755
--- a/7.0/fpm/alpine/docker-php-ext-install
+++ b/7.0/fpm/alpine/docker-php-ext-install
@@ -61,7 +61,11 @@ for ext in $exts; do
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		ls modules/*.so | cut -d/ -f2 | xargs -r docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/7.0/fpm/docker-php-ext-configure b/7.0/fpm/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/7.0/fpm/docker-php-ext-configure
+++ b/7.0/fpm/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/7.0/fpm/docker-php-ext-enable b/7.0/fpm/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/7.0/fpm/docker-php-ext-enable
+++ b/7.0/fpm/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/7.0/fpm/docker-php-ext-install b/7.0/fpm/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/7.0/fpm/docker-php-ext-install
+++ b/7.0/fpm/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done
diff --git a/7.0/zts/Dockerfile b/7.0/zts/Dockerfile
index ee16d66e..c1a93bc1 100644
--- a/7.0/zts/Dockerfile
+++ b/7.0/zts/Dockerfile
@@ -1,10 +1,25 @@
 FROM debian:jessie
 
-# persistent / runtime deps
-RUN apt-get update && apt-get install -y ca-certificates curl librecode0 libsqlite3-0 libxml2 --no-install-recommends && rm -r /var/lib/apt/lists/*
-
 # phpize deps
-RUN apt-get update && apt-get install -y autoconf file g++ gcc libc-dev make pkg-config re2c --no-install-recommends && rm -r /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkg-config \
+		re2c \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
+
+# persistent / runtime deps
+RUN apt-get update && apt-get install -y \
+		ca-certificates \
+		curl \
+		libedit2 \
+		libsqlite3-0 \
+		libxml2 \
+	--no-install-recommends && rm -r /var/lib/apt/lists/*
 
 ENV PHP_INI_DIR /usr/local/etc/php
 RUN mkdir -p $PHP_INI_DIR/conf.d
@@ -14,52 +29,51 @@ ENV PHP_EXTRA_CONFIGURE_ARGS --enable-maintainer-zts
 ##</autogenerated>##
 
 ENV GPG_KEYS 1A4E8B7277C42E53DBA9C7B9BCAA30EA9C0D5763
-RUN set -xe \
-	&& for key in $GPG_KEYS; do \
-		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
-	done
 
 ENV PHP_VERSION 7.0.4
 ENV PHP_FILENAME php-7.0.4.tar.xz
 ENV PHP_SHA256 584e0e374e357a71b6e95175a2947d787453afc7f9ab7c55651c10491c4df532
 
-# --enable-mysqlnd is included below because it's harder to compile after the fact the extensions are (since it's a plugin for several extensions, not an extension in itself)
-RUN buildDeps=" \
+RUN set -xe \
+	&& buildDeps=" \
 		$PHP_EXTRA_BUILD_DEPS \
 		libcurl4-openssl-dev \
-		libreadline6-dev \
-		librecode-dev \
+		libedit-dev \
 		libsqlite3-dev \
 		libssl-dev \
 		libxml2-dev \
 		xz-utils \
 	" \
-	&& set -x \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
 	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
 	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
 	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
 	&& mkdir -p /usr/src/php \
 	&& tar -xf "$PHP_FILENAME" -C /usr/src/php --strip-components=1 \
-	&& rm "$PHP_FILENAME"* \
+	&& rm "$PHP_FILENAME" \
 	&& cd /usr/src/php \
 	&& ./configure \
 		--with-config-file-path="$PHP_INI_DIR" \
 		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
 		$PHP_EXTRA_CONFIGURE_ARGS \
 		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
 		--enable-mysqlnd \
 		--with-curl \
+		--with-libedit \
 		--with-openssl \
-		--with-readline \
-		--with-recode \
 		--with-zlib \
 	&& make -j"$(nproc)" \
 	&& make install \
 	&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
-	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
-	&& make clean
+	&& make clean \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps
 
 COPY docker-php-ext-* /usr/local/bin/
 
diff --git a/7.0/zts/alpine/Dockerfile b/7.0/zts/alpine/Dockerfile
new file mode 100644
index 00000000..f1b94084
--- /dev/null
+++ b/7.0/zts/alpine/Dockerfile
@@ -0,0 +1,92 @@
+FROM alpine:3.3
+
+# phpize deps
+RUN apk add --no-cache --virtual .phpize-deps \
+		autoconf \
+		file \
+		g++ \
+		gcc \
+		libc-dev \
+		make \
+		pkgconf \
+		re2c
+
+# persistent / runtime deps
+RUN apk add --no-cache --virtual .persistent-deps \
+		ca-certificates \
+		curl
+
+# ensure www-data user exists
+RUN set -x \
+	&& addgroup -g 82 -S www-data \
+	&& adduser -u 82 -D -S -G www-data www-data
+# 82 is the standard uid/gid for "www-data" in Alpine
+# http://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.3.2
+# http://git.alpinelinux.org/cgit/aports/tree/main/nginx-initscripts/nginx-initscripts.pre-install?h=v3.3.2
+
+ENV PHP_INI_DIR /usr/local/etc/php
+RUN mkdir -p $PHP_INI_DIR/conf.d
+
+##<autogenerated>##
+ENV PHP_EXTRA_CONFIGURE_ARGS --enable-maintainer-zts
+##</autogenerated>##
+
+ENV GPG_KEYS 1A4E8B7277C42E53DBA9C7B9BCAA30EA9C0D5763
+
+ENV PHP_VERSION 7.0.4
+ENV PHP_FILENAME php-7.0.4.tar.xz
+ENV PHP_SHA256 584e0e374e357a71b6e95175a2947d787453afc7f9ab7c55651c10491c4df532
+
+RUN set -xe \
+	&& apk add --no-cache --virtual .build-deps \
+		curl-dev \
+		gnupg \
+		libedit-dev \
+		libxml2-dev \
+		openssl-dev \
+		sqlite-dev \
+	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
+	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
+	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& for key in $GPG_KEYS; do \
+		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	done \
+	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
+	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
+	&& mkdir -p /usr/src \
+	&& tar -Jxf "$PHP_FILENAME" -C /usr/src \
+	&& mv "/usr/src/php-$PHP_VERSION" /usr/src/php \
+	&& rm "$PHP_FILENAME" \
+	&& cd /usr/src/php \
+	&& ./configure \
+		--with-config-file-path="$PHP_INI_DIR" \
+		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
+		$PHP_EXTRA_CONFIGURE_ARGS \
+		--disable-cgi \
+# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
+		--enable-mysqlnd \
+		--with-curl \
+		--with-libedit \
+		--with-openssl \
+		--with-zlib \
+	&& make -j"$(getconf _NPROCESSORS_ONLN)" \
+	&& make install \
+	&& { find /usr/local/bin /usr/local/sbin -type f -perm +0111 -exec strip --strip-all '{}' + || true; } \
+	&& make clean \
+	&& runDeps="$( \
+		scanelf --needed --nobanner --recursive /usr/local \
+			| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
+			| sort -u \
+			| xargs -r apk info --installed \
+			| sort -u \
+	)" \
+	&& apk add --virtual .php-rundeps $runDeps \
+	&& apk del .build-deps
+
+COPY docker-php-ext-* /usr/local/bin/
+
+##<autogenerated>##
+CMD ["php", "-a"]
+##</autogenerated>##
diff --git a/7.0/zts/alpine/docker-php-ext-configure b/7.0/zts/alpine/docker-php-ext-configure
new file mode 100755
index 00000000..39947c8f
--- /dev/null
+++ b/7.0/zts/alpine/docker-php-ext-configure
@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+ext="$1"
+extDir="/usr/src/php/ext/$ext"
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
+	echo >&2 "usage: $0 ext-name [configure flags]"
+	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
+	echo >&2
+	echo >&2 'Possible values for ext-name:'
+	echo >&2 $(find /usr/src/php/ext -mindepth 2 -maxdepth 2 -type f -name 'config.m4' | cut -d/ -f6 | sort)
+	exit 1
+fi
+shift
+
+set -x
+cd "$extDir"
+phpize
+./configure "$@"
diff --git a/7.0/zts/alpine/docker-php-ext-enable b/7.0/zts/alpine/docker-php-ext-enable
new file mode 100755
index 00000000..367aaf2b
--- /dev/null
+++ b/7.0/zts/alpine/docker-php-ext-enable
@@ -0,0 +1,83 @@
+#!/bin/sh
+set -e
+
+cd "$(php -r 'echo ini_get("extension_dir");')"
+
+usage() {
+	echo "usage: $0 [options] module-name [module-name ...]"
+	echo "   ie: $0 gd mysqli"
+	echo "       $0 pdo pdo_mysql"
+	echo "       $0 --ini-name 0-apc.ini apcu apc"
+	echo
+	echo 'Possible values for module-name:'
+	echo $(find -maxdepth 1 -type f -name '*.so' -exec basename '{}' ';' | sort)
+}
+
+opts="$(getopt -o 'h?' --long 'help,ini-name:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+iniName=
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--ini-name) iniName="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+modules=
+for module; do
+	if [ -z "$module" ]; then
+		continue
+	fi
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
+		# allow ".so" to be optional
+		module="$module.so"
+	fi
+	if ! [ -f "$module" ]; then
+		echo >&2 "error: $(readlink -f "$module") does not exist"
+		echo >&2
+		usage >&2
+		exit 1
+	fi
+	modules="$modules $module"
+done
+
+if [ -z "$modules" ]; then
+	usage >&2
+	exit 1
+fi
+
+for module in $modules; do
+	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
+		# https://wiki.php.net/internals/extensions#loading_zend_extensions
+		line="zend_extension=$(readlink -f "$module")"
+	else
+		line="extension=$module"
+	fi
+
+	ext="$(basename "$module")"
+	ext="${ext%.*}"
+	if php -r 'exit(extension_loaded("'"$ext"'") ? 0 : 1);'; then
+		# this isn't perfect, but it's better than nothing
+		# (for example, 'opcache.so' presents inside PHP as 'Zend OPcache', not 'opcache')
+		echo >&2
+		echo >&2 "warning: $ext ($module) is already loaded!"
+		echo >&2
+		continue
+	fi
+
+	ini="/usr/local/etc/php/conf.d/${iniName:-"docker-php-ext-$ext.ini"}"
+	if ! grep -q "$line" "$ini" 2>/dev/null; then
+		echo "$line" >> "$ini"
+	fi
+done
diff --git a/7.0/zts/alpine/docker-php-ext-install b/7.0/zts/alpine/docker-php-ext-install
new file mode 100755
index 00000000..67180a86
--- /dev/null
+++ b/7.0/zts/alpine/docker-php-ext-install
@@ -0,0 +1,71 @@
+#!/bin/sh
+set -e
+
+cd /usr/src/php/ext
+
+usage() {
+	echo "usage: $0 [-jN] ext-name [ext-name ...]"
+	echo "   ie: $0 gd mysqli"
+	echo "       $0 pdo pdo_mysql"
+	echo "       $0 -j5 gd mbstring mysqli pdo pdo_mysql shmop"
+	echo
+	echo 'if custom ./configure arguments are necessary, see docker-php-ext-configure'
+	echo
+	echo 'Possible values for ext-name:'
+	echo $(find /usr/src/php/ext -mindepth 2 -maxdepth 2 -type f -name 'config.m4' | cut -d/ -f6 | sort)
+}
+
+opts="$(getopt -o 'h?j:' --long 'help,jobs:' -- "$@" || { usage >&2 && false; })"
+eval set -- "$opts"
+
+j=1
+while true; do
+	flag="$1"
+	shift
+	case "$flag" in
+		--help|-h|'-?') usage && exit 0 ;;
+		--jobs|-j) j="$1" && shift ;;
+		--) break ;;
+		*)
+			{
+				echo "error: unknown flag: $flag"
+				usage
+			} >&2
+			exit 1
+			;;
+	esac
+done
+
+exts=
+for ext; do
+	if [ -z "$ext" ]; then
+		continue
+	fi
+	if [ ! -d "$ext" ]; then
+		echo >&2 "error: $(pwd -P)/$ext does not exist"
+		echo >&2
+		usage >&2
+		exit 1
+	fi
+	exts="$exts $ext"
+done
+
+if [ -z "$exts" ]; then
+	usage >&2
+	exit 1
+fi
+
+for ext in $exts; do
+	(
+		cd "$ext"
+		[ -e Makefile ] || docker-php-ext-configure "$ext"
+		make -j"$j"
+		make -j"$j" install
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
+		make -j"$j" clean
+	)
+done
diff --git a/7.0/zts/docker-php-ext-configure b/7.0/zts/docker-php-ext-configure
index 3d21b5bb..39947c8f 100755
--- a/7.0/zts/docker-php-ext-configure
+++ b/7.0/zts/docker-php-ext-configure
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 ext="$1"
 extDir="/usr/src/php/ext/$ext"
-if [ -z "$ext" -o ! -d "$extDir" ]; then
+if [ -z "$ext" ] || ! [ -d "$extDir" ]; then
 	echo >&2 "usage: $0 ext-name [configure flags]"
 	echo >&2 "   ie: $0 gd --with-jpeg-dir=/usr/local/something"
 	echo >&2
diff --git a/7.0/zts/docker-php-ext-enable b/7.0/zts/docker-php-ext-enable
index edb07ed8..367aaf2b 100755
--- a/7.0/zts/docker-php-ext-enable
+++ b/7.0/zts/docker-php-ext-enable
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd "$(php -r 'echo ini_get("extension_dir");')"
@@ -34,32 +34,30 @@ while true; do
 	esac
 done
 
-modules=()
-while [ $# -gt 0 ]; do
-	module="$1"
-	shift
+modules=
+for module; do
 	if [ -z "$module" ]; then
 		continue
 	fi
-	if [ -f "$module.so" -a ! -f "$module" ]; then
+	if [ -f "$module.so" ] && ! [ -f "$module" ]; then
 		# allow ".so" to be optional
-		module+='.so'
+		module="$module.so"
 	fi
-	if [ ! -f "$module" ]; then
+	if ! [ -f "$module" ]; then
 		echo >&2 "error: $(readlink -f "$module") does not exist"
 		echo >&2
 		usage >&2
 		exit 1
 	fi
-	modules+=( "$module" )
+	modules="$modules $module"
 done
 
-if [ "${#modules[@]}" -eq 0 ]; then
+if [ -z "$modules" ]; then
 	usage >&2
 	exit 1
 fi
 
-for module in "${modules[@]}"; do
+for module in $modules; do
 	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
diff --git a/7.0/zts/docker-php-ext-install b/7.0/zts/docker-php-ext-install
index 2c488cce..67180a86 100755
--- a/7.0/zts/docker-php-ext-install
+++ b/7.0/zts/docker-php-ext-install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 cd /usr/src/php/ext
@@ -36,10 +36,8 @@ while true; do
 	esac
 done
 
-exts=()
-while [ $# -gt 0 ]; do
-	ext="$1"
-	shift
+exts=
+for ext; do
 	if [ -z "$ext" ]; then
 		continue
 	fi
@@ -49,21 +47,25 @@ while [ $# -gt 0 ]; do
 		usage >&2
 		exit 1
 	fi
-	exts+=( "$ext" )
+	exts="$exts $ext"
 done
 
-if [ "${#exts[@]}" -eq 0 ]; then
+if [ -z "$exts" ]; then
 	usage >&2
 	exit 1
 fi
 
-for ext in "${exts[@]}"; do
+for ext in $exts; do
 	(
 		cd "$ext"
 		[ -e Makefile ] || docker-php-ext-configure "$ext"
 		make -j"$j"
 		make -j"$j" install
-		find modules -maxdepth 1 -name '*.so' -exec basename '{}' ';' | xargs --no-run-if-empty --verbose docker-php-ext-enable
+		find modules \
+			-maxdepth 1 \
+			-name '*.so' \
+			-exec basename '{}' ';' \
+				| xargs -r docker-php-ext-enable
 		make -j"$j" clean
 	)
 done