Move to Docker Compose and multiple containers

roundcube/Dockerfile

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+FROM php:apache
+
+RUN apt-get update && apt-get install -y \
+      libfreetype6-dev \
+      libjpeg62-turbo-dev \
+      libmcrypt-dev \
+      libpng12-dev \
+ && docker-php-ext-install pdo_mysql mcrypt
+
+ENV ROUNDCUBE_URL https://downloads.sourceforge.net/project/roundcubemail/roundcubemail/1.1.4/roundcubemail-1.1.4-complete.tar.gz
+
+RUN echo date.timezone=UTC > /usr/local/etc/php/conf.d/timezone.ini
+
+RUN cd /tmp \
+ && curl -L -O ${ROUNDCUBE_URL} \
+ && tar -xf *.tar.gz \
+ && rm -f *.tar.gz \
+ && rm -rf /var/www/html \
+ && mv roundcubemail-* /var/www/html \
+ && cd /var/www/html \
+ && rm -rf CHANGELOG INSTALL LICENSE README.md UPGRADING composer.json-dist installer \
+ && chown -R www-data: logs
+
+COPY config.inc.php /var/www/html/config/
+
+COPY start.sh /start.sh
+
+CMD ["/start.sh"]

roundcube/config.inc.php

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+<?php
+
+$config = array();
+
+// Generals
+$config['db_dsnw'] = 'sqlite:////data/roundcube.db';
+$config['des_key'] = 'rcmail-!24ByteDESkey*Str';
+$config['identities_level'] = 3;
+$config['reply_all_mode'] = 1;
+
+// List of active plugins (in plugins/ directory)
+$config['plugins'] = array(
+    'archive',
+    'zipdownload',
+    'managesieve',
+    'markasjunk',
+    'password'
+);
+
+// Mail servers
+$config['default_host'] = 'tls://imap';
+$config['default_port'] = 143;
+$config['smtp_server'] = 'tls://smtp';
+$config['smtp_port'] = 587;
+$config['smtp_user'] = '%u';
+$config['smtp_pass'] = '%p';
+
+// We access the IMAP and SMTP servers locally with internal names, SSL
+// will obviously fail but this sounds better than allowing insecure login
+// from the outter world
+$ssl_no_check = array(
+ 'ssl' => array(
+     'verify_peer' => false,
+     'verify_peer_name' => false,
+  ),
+);
+$config['imap_conn_options'] = $ssl_no_check;
+$config['smtp_conn_options'] = $ssl_no_check;
+
+// Password management
+$config['password_driver'] = 'sql';
+$config['password_confirm_current'] = true;
+$config['password_minimum_length'] = 6;
+$config['password_db_dsn'] = 'sqlite:////data/freeposte.db';
+$config['password_query'] = '
+  UPDATE user SET password=%D
+  WHERE id IN (SELECT user.id FROM user
+               INNER JOIN domain ON domain.id=user.domain_id
+               WHERE domain.name=%d AND user.name=%l
+              )
+';
+$config['password_dovecotpw'] = 'doveadm pw';
+$confog['password_dovecotpw_method'] = 'SHA512-CRYPT';
+
+// skin name: folder from skins/
+$config['skin'] = 'larry';

roundcube/start.sh

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+#!/bin/sh
+
+# Fix some permissions
+chown -R www-data:www-data /data
+
+# Run apache
+exec apache2-foreground