diff --git a/x86/bpf/Dockerfile b/x86/bpf/Dockerfile
index 0aec701..3c7866c 100644
--- a/x86/bpf/Dockerfile
+++ b/x86/bpf/Dockerfile
@@ -1,4 +1,14 @@
-FROM x86/ubuntu:2204
+# build with default argument
+# build . -t tagname
+ARG BASE_IMAGE=x86/ubuntu:2004
+FROM $BASE_IMAGE
+# build with argument in commandline
+# build . -t tagnem --build-arg x86/ubuntu:2204
+
+# ubuntu 20.04 using dwarves
+# ubuntu 22.04 using pahole
+# build . -t tagnem --build-arg x86/ubuntu:2204 --build-arg LAYOUTTOOL=pahole
+ARG LAYOUTTOOL=dwarves
 
 WORKDIR /code
 
@@ -6,4 +16,4 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
 	apt-get -y --no-install-recommends install libncurses-dev gawk flex \
 		bison openssl libssl-dev dkms \
         libelf-dev libudev-dev libpci-dev libiberty-dev autoconf llvm libcap2-dev \
-		rsync bc pahole git clang binutils-dev dpkg-dev
+		rsync bc $LAYOUTTOOL git clang binutils-dev dpkg-dev