#!/bin/sh SOURCE_DIR=$(realpath $(dirname "${0}"))/postfix # Build Docker container docker build -t postfix ${SOURCE_DIR} cp ${SOURCE_DIR}/etc/init.d/postfix /etc/init.d/postfix rc-update -u # Copy existing config files into persistent storage mkdir -p /srv/postfix/conf /srv/postfix/data docker run --rm -v /srv/postfix/conf:/mnt/conf postfix cp -rp /etc/postfix/. /mnt/conf # Configure postfix cp ${SOURCE_DIR}/srv/postfix/conf/main.cf /srv/postfix/conf/main.cf