Rename the webmails directory

webmails/roundcube/Dockerfile

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+FROM php:5-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://github.com/roundcube/roundcubemail/releases/download/1.2.3/roundcubemail-1.2.3-complete.tar.gz
+
+RUN echo date.timezone=UTC > /usr/local/etc/php/conf.d/timezone.ini
+
+RUN rm -rf /var/www/html/ \
+ && cd /var/www \
+ && curl -L -O ${ROUNDCUBE_URL} \
+ && tar -xf *.tar.gz \
+ && rm -f *.tar.gz \
+ && mv roundcubemail-* html \
+ && cd 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"]

webmails/roundcube/config.inc.php

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+<?php
+
+$config = array();
+
+// Generals
+$config['db_dsnw'] = 'sqlite:////data/roundcube.db';
+$config['des_key'] = getenv('SECRET_KEY');
+$config['identities_level'] = 3;
+$config['reply_all_mode'] = 1;
+
+// List of active plugins (in plugins/ directory)
+$config['plugins'] = array(
+    'archive',
+    'zipdownload',
+    'markasjunk',
+    'managesieve'
+);
+
+// Mail servers
+$config['default_host'] = 'front';
+$config['default_port'] = 10143;
+$config['smtp_server'] = 'front';
+$config['smtp_port'] = 10025;
+$config['smtp_user'] = '%u';
+$config['smtp_pass'] = '%p';
+
+// Sieve script management
+$config['managesieve_host'] = 'imap';
+$config['managesieve_usetls'] = true;
+
+// 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'] = $ssl_no_check;
+$config['managesieve_conn_options'] = $ssl_no_check;
+
+// skin name: folder from skins/
+$config['skin'] = 'larry';

webmails/roundcube/start.sh

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