Define maintenance window between 1 and 5am

templates/config.php.jinja2

@@ -53,6 +53,7 @@ $CONFIG = array (
   'logfile' => '/var/log/nextcloud/{{ nextcloud.id }}.log',
   'theme' => '',
   'maintenance' => false,
+  'maintenance_window_start' => 1,
   'redis' => array(
     'host' => '{% if nextcloud_mode == 'apache' %}localhost{% else %}redis{% endif %}',
     'port' => 6379,