Add mail support by adding msmtp for sending

Dockerfile

@@ -67,27 +67,33 @@ RUN chmod -x /wait-for.sh && \
         curl \
         python3 \
         py-pygments \
+        imagemagick \
+        ghostscript \
+        msmtp \
         composer \
         php7 \
-        php7-intl \
         php7-fpm \
         php7-cli \
+        php7-intl \
         php7-curl \
-        php7-fileinfo \
-        php7-mbstring \
-        php7-gd \
         php7-json \
         php7-dom \
         php7-pcntl \
         php7-posix \
-        php7-pgsql \
-        php7-exif \
         php7-mcrypt \
         php7-session \
+        php7-gd \
+        php7-exif \
+        php7-phar \
         php7-pdo \
+        php7-pgsql \
         php7-pdo_pgsql \
-        php7-ctype \
+        php7-pdo_mysql \
         php7-mysqli \
+        php7-fileinfo \
+        php7-mbstring \
+        php7-ctype \
+        php7-ldap \
         php7-pecl-memcached \
         memcached \
         ca-certificates && \
@@ -100,6 +106,7 @@ RUN chmod -x /wait-for.sh && \
     sed -i "s|;*upload_max_filesize =.*|upload_max_filesize = ${MAX_UPLOAD}|i" /etc/php7/php.ini && \
     sed -i "s|;*max_file_uploads =.*|max_file_uploads = ${PHP_MAX_FILE_UPLOAD}|i" /etc/php7/php.ini && \
     sed -i "s|;*post_max_size =.*|post_max_size = ${PHP_MAX_POST}|i" /etc/php7/php.ini && \
+    sed -i 's+.*sendmail_path =.*+sendmail_path = "/usr/bin/msmtp -C /var/www/msmtprc --logfile /var/www/msmtp.log -a filebinmail -t"+' /etc/php7/php.ini && \
     # clean up and permissions
     rm -rf /var/cache/apk/* && \
     ln -s /usr/bin/python3 /usr/bin/python && \
@@ -113,8 +120,10 @@ EXPOSE 80
 # add templates for replace env variables in the application
 ADD src/config/database.php.tpl /var/www/application/config/database.php.tpl
 ADD src/config/config-local.php.tpl /var/www/application/config/config-local.php.tpl
-ADD src/configure.php /configure.php
+ADD src/config/email.php.tpl /var/www/application/config/email.php.tpl
 ADD src/crontab /etc/periodic/15min/crontab
+ADD src/configure.php /configure.php
+ADD src/configure-mail.sh /var/www/configure-mail.sh
 
 # add overlay
 ADD src/s6/ /etc/s6/

src/config/config-local.php.tpl

@@ -41,13 +41,3 @@ $config['tarball_cache_time'] = intval(%%%TARBALL_CACHE_TIME%%%);
 
 // The maximum number of active invitation keys per account.
 $config['max_invitation_keys'] = intval(%%%MAX_INVITATION_KEYS%%%);
-
-// SMTP mail settings if enabled
-if (getenv('SMTP_ENABLED') === 'true') {
-    $config['protocol'] = %%%SMTP_PROTOCOL%%%;
-    $config['smtp_host'] = %%%SMTP_HOST%%%;
-    $config['smtp_port'] = intval(%%%SMTP_PORT%%%);
-    $config['smtp_crypto'] = %%%SMTP_CRYPTO%%%;
-    $config['smtp_user'] = %%%SMTP_USER%%%;
-    $config['smtp_pass'] = %%%SMTP_PASS%%%;
-}

src/config/email.php.tpl

@@ -0,0 +1,13 @@
+<?php
+
+// SMTP mail settings if enabled
+if (getenv('SMTP_ENABLED') === 'true') {
+    $config = [
+        'protocol' => %%%SMTP_PROTOCOL%%%,
+        'smtp_host' => %%%SMTP_HOST%%%,
+        'smtp_port' => intval(%%%SMTP_PORT%%%),
+        'smtp_crypto' => %%%SMTP_CRYPTO%%%,
+        'smtp_user' => %%%SMTP_USER%%%,
+        'smtp_pass' => %%%SMTP_PASS%%%,
+    ];
+}

src/configure-mail.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+function set_mail_config() {
+
+cat <<EOF > /var/www/msmtprc
+account filebinmail
+tls on
+tls_certcheck off
+auth on
+host ${SMTP_HOST}
+port ${SMTP_PORT}
+user ${SMTP_USER}
+from ${EMAIL_FROM}
+password ${SMTP_PASS}
+EOF
+
+  chmod 600 /var/www/msmtprc
+}
+
+set_mail_config;

src/configure.php

@@ -2,33 +2,9 @@
 <?php
 
 if (getenv('RECONFIGURE') === "true") {
-    echo "Reconfiguring container..." . PHP_EOL;
+    echo "Reconfiguring database and local settings..." . PHP_EOL;
-
-    $confPath = '/var/www/application/config/config-local.php.tpl';
-    $confTargetPath = '/var/www/application/config/config-local.php';
-    $confVars = [
-        'BASE_URL',
-        'ENCRYPTION_KEY',
-        'CACHE_BACKEND',
-        'INDEX_PAGE',
-        'EMAIL_FROM',
-        'UPLOAD_MAX_SIZE',
-        'UPLOAD_MAX_TEXT_SIZE',
-        'UPLOAD_MAX_AGE',
-        'ACTIONS_MAX_AGE',
-        'SMALL_UPLOAD_SIZE',
-        'TARBALL_MAX_SIZE',
-        'TARBALL_CACHE_TIME',
-        'MAX_INVITATION_KEYS',
-        'SMTP_PROTOCOL',
-        'SMTP_HOST',
-        'SMTP_PORT',
-        'SMTP_CRYPTO',
-        'SMTP_USER',
-        'SMTP_PASS'
-    ];
-    contentsReplace($confVars, $confPath, $confTargetPath);
 
+    // configure database
     $dbPath = '/var/www/application/config/database.php.tpl';
     $dbTargetPath = '/var/www/application/config/database.php';
     $dbVars = [
@@ -51,21 +27,61 @@ if (getenv('RECONFIGURE') === "true") {
         'DB_SAVE_QUERIES'
     ];
     contentsReplace($dbVars, $dbPath, $dbTargetPath);
+
+    // configure local settings
+    $confPath = '/var/www/application/config/config-local.php.tpl';
+    $confTargetPath = '/var/www/application/config/config-local.php';
+    $confVars = [
+        'BASE_URL',
+        'ENCRYPTION_KEY',
+        'CACHE_BACKEND',
+        'INDEX_PAGE',
+        'EMAIL_FROM',
+        'UPLOAD_MAX_SIZE',
+        'UPLOAD_MAX_TEXT_SIZE',
+        'UPLOAD_MAX_AGE',
+        'ACTIONS_MAX_AGE',
+        'SMALL_UPLOAD_SIZE',
+        'TARBALL_MAX_SIZE',
+        'TARBALL_CACHE_TIME',
+        'MAX_INVITATION_KEYS'
+    ];
+    contentsReplace($confVars, $confPath, $confTargetPath);
+
+    // configure mail if enabled
+    $mailPath = '/var/www/application/config/email.php.tpl';
+    $mailTargetPath = '/var/www/application/config/email.php';
+    $mailVars = [
+        'SMTP_PROTOCOL',
+        'SMTP_HOST',
+        'SMTP_PORT',
+        'SMTP_CRYPTO',
+        'SMTP_USER',
+        'SMTP_PASS'
+    ];
+    contentsReplace($mailVars, $mailPath, $mailTargetPath);
+
+    if (getenv('SMTP_ENABLED') === 'true') {
+        echo "Applying mail configuration..." . PHP_EOL;
+        exec('sh /var/www/configure-mail.sh');
     } else {
-    echo "Will not reconfigure container..." . PHP_EOL;
+        echo "Will not apply mail configuration..." . PHP_EOL;
+    }
+} else {
+    echo "Will not reconfigure database and local settings..." . PHP_EOL;
 }
 
 if (getenv('MIGRATE') === "true") {
-    echo "Migrating..." . PHP_EOL;
+    echo "Migrating database and dependencies..." . PHP_EOL;
 
     exec("php /var/www/index.php tools update_database");
     exec("composer --working-dir=/var/www install --no-dev --no-plugins --no-scripts");
     exec("chown -R nobody:nginx /var/www");
 } else {
-    echo "Will not migrate..." . PHP_EOL;
+    echo "Will not migrate database and dependencies..." . PHP_EOL;
 }
 
-function contentsReplace($envNames = array(), $filePath, $targetFilePath)
+function contentsReplace($envNames, $filePath, $targetFilePath)
 {
     $fileContent = file_get_contents($filePath);
 
@@ -73,11 +89,9 @@ function contentsReplace($envNames = array(), $filePath, $targetFilePath)
         $fileContent = preg_replace("/%%%" . strtoupper($env) . "%%%/", env($env), $fileContent);
     }
 
-
     file_put_contents($targetFilePath, $fileContent);
 }
 
-
 function env($name, $default = null)
 {
     $v = getenv($name) ?: $default;