Fixed config

roundcube/Dockerfile

 
 COPY ./config/ /usr/src/roundcubemail/
 
+COPY ./config/config/ /var/roundcube/config/
+
 COPY ./vars-vars /etc/vars-vars
 
 COPY ./vars-files /etc/vars-files

roundcube/config/config/config_custom.inc.php

+<?php
+
 $config['smtp_user'] = '%u';
 
 $config['smtp_pass'] = '%p';
 
 $config['skin'] = 'elastic';
 
-$config['enable_installer'] = true;
+$config['dont_override'][] = 'trusted_mtas';
+$config['dont_override'][] = 'use_fallback_verifier';
+$config['dont_override'][] = 'show_statuses';
+$config['dont_override'][] = 'enable_authres_status_column';
+
+//$config['enable_installer'] = true;
 
 //$config['debug_level'] = 1;
 

roundcube/config/plugins/authres_status/config.inc.php

 //
 //$config['show_statuses'] = authres_status::STATUS_ALL & ~authres_status::STATUS_NOSIG;
 
-$config['dont_override'][] = 'trusted_mtas';
-$config['dont_override'][] = 'use_fallback_verifier';
-$config['dont_override'][] = 'show_statuses';
-$config['dont_override'][] = 'enable_authres_status_column';
+
 //$config['trusted_mtas'] = array('mail.example.com');