mariadb-dev-example-places/api/nodejs/db.js

var mariadb = require('mariadb');
require('dotenv').config();

// SSL (e.g. SkySQL) connections 
// * Remember to change the location of "skysql_chain.pem" to wherever you placed it!
// * To use just uncomment the two lines below and the 'ssl' property (and value) within the connection pool configuration

//const fs = require("fs");
//const serverCert = [fs.readFileSync("skysql_chain.pem", "utf8")];

const pool = mariadb.createPool({
  host: process.env.DB_HOST, 
  user: process.env.DB_USER, 
  password: process.env.DB_PASS,
  port: process.env.DB_PORT,
  database: process.env.DB_NAME,
  multipleStatements: true
  /*,
  ssl: {
    ca: serverCert
  }*/
});

// Expose the Pool object within this module
module.exports = Object.freeze({
  pool: pool
});