dockerize (work in progress)

Docker support was initially worked on in 2bbb7a5e7e, but it never really worked.

This extends f7d7434012800c3572049af82a501743d4aed583 which was an old branch for docker work.

containers/docker/apt_package_list.txt

@@ -0,0 +1,82 @@
+bc
+bind9
+ca-certificates
+coreutils
+cron
+curl
+dbconfig-common
+dovecot-antispam
+dovecot-core
+dovecot-imapd
+dovecot-lmtpd
+dovecot-managesieved
+dovecot-sieve
+dovecot-sqlite
+duplicity
+fail2ban
+git
+haveged
+ldnsutils
+libapr1
+libawl-php
+libcurl4-openssl-dev
+libjs-jquery
+libjs-jquery-mousewheel
+libmagic1
+libtool
+libyaml-dev
+links
+memcached
+nginx
+nsd
+ntp
+opendkim
+opendkim-tools
+opendmarc
+openssh-client
+openssl
+php-apc
+php-auth
+php-crypt-gpg
+php-mail-mime
+php-net-sieve
+php-net-smtp
+php-net-socket
+php-pear
+php-soap
+php-xml-parser
+php5
+php5-cli
+php5-common
+php5-curl
+php5-dev
+php5-fpm
+php5-gd
+php5-imap
+php5-intl
+php5-json
+php5-mcrypt
+php5-memcache
+php5-pspell
+php5-sqlite
+php5-xsl
+postfix
+postfix-pcre
+postgrey
+python3
+python3-dateutil
+python3-dev
+python3-dnspython
+python3-flask
+python3-pip
+pyzor
+razor
+resolvconf
+spampd
+sqlite3
+sudo
+tinymce
+ufw
+unattended-upgrades
+unzip
+wget

containers/docker/container_start.sh

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+#!/bin/bash
+
+# This script is used within containers to turn it into a Mail-in-a-Box.
+# It is referenced by the Dockerfile. You should not run it directly.
+########################################################################
+
+# Local configuration details were not known at the time the Docker
+# image was created, so all setup is defered until the container
+# is started. That's when this script runs.
+
+# If we're not in an interactive shell, set defaults.
+if [ ! -t 0 ]; then
+	export PUBLIC_IP=auto
+	export PUBLIC_IPV6=auto
+	export PRIMARY_HOSTNAME=auto
+	export CSR_COUNTRY=US
+	export NONINTERACTIVE=1
+fi
+
+# Start configuration.
+cd /usr/local/mailinabox
+export IS_DOCKER=1
+export DISABLE_FIREWALL=1
+source setup/start.sh # using 'source' means an exit from inside also exits this script and terminates container
+
+# Once the configuration is complete, start the Unix init process
+# provided by the base image. We're running as process 0, and
+# /sbin/my_init needs to run as process 0, so use 'exec' to replace
+# this shell process and not fork a new one. Nifty right?
+exec /sbin/my_init -- bash

containers/docker/run.sh

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+#!/bin/bash
+# Use this script to launch Mail-in-a-Box within a docker container.
+# ==================================================================
+#
+# A base image is created first. The base image installs Ubuntu
+# packages and pulls in the Mail-in-a-Box source code. This is
+# defined in Dockerfile at the root of this repository.
+#
+# A mailinabox-userdata container is started next. This container
+# contains nothing but a shared volume for storing user data.
+# It is segregated from the rest of the live system to make backups
+# easier.
+#
+# The mailinabox-services container is started last. It is the
+# real thing: it runs the mailinabox image. This container will
+# initialize itself and will initialize the mailinabox-userdata
+# volume if the volume is new.
+
+
+DOCKER=docker.io
+
+# Build or rebuild the image.
+# Rebuilds are very fast.
+$DOCKER build -q -t mailinabox .
+
+# Start the user-data containerw which is merely to create
+# a container that maintains a reference to a volume so that
+# we can destroy the main container without losing user data.
+if ! $DOCKER ps -a | grep mailinabox-userdata > /dev/null; then
+	echo Starting user-data volume container...
+	$DOCKER run -d \
+		--name mailinabox-userdata \
+		-v /home/user-data \
+		scratch bash
+fi
+
+# End a running container.
+if $DOCKER ps -a | grep mailinabox-services > /dev/null; then
+	echo Deleting container...
+	$DOCKER rm mailinabox-services
+fi
+
+# Start container.
+echo Starting new container...
+$DOCKER run \
+	-p 25 -p 53 -p 80 -p 443 -p 587 -p 993 \
+	--volumes-from mailinabox-userdata \
+	--name mailinabox-services \
+	-t -i \
+	mailinabox