Fix #1351: add maintenance mode

app/AppKernel.php

@@ -34,6 +34,7 @@ class AppKernel extends Kernel
             new Wallabag\ImportBundle\WallabagImportBundle(),
             new Doctrine\Bundle\MigrationsBundle\DoctrineMigrationsBundle(),
             new Craue\ConfigBundle\CraueConfigBundle(),
+            new Lexik\Bundle\MaintenanceBundle\LexikMaintenanceBundle(),
         ];
 
         if (in_array($this->getEnvironment(), ['dev', 'test'], true)) {

app/config/config.yml

@@ -200,3 +200,13 @@ scheb_two_factor:
 kphoen_rulerz:
     executors:
         doctrine: true
+
+lexik_maintenance:
+    authorized:
+        ips: ['127.0.0.1']
+    driver:
+        ttl: 3600
+        class: 'Lexik\Bundle\MaintenanceBundle\Drivers\DatabaseDriver'
+    response:
+        code: 503
+        status: "wallabag Service Temporarily Unavailable"

composer.json

@@ -65,7 +65,8 @@
         "doctrine/doctrine-migrations-bundle": "^1.0",
         "paragonie/random_compat": "~1.0",
         "craue/config-bundle": "~1.4",
-        "mnapoli/piwik-twig-extension": "^1.0"
+        "mnapoli/piwik-twig-extension": "^1.0",
+        "lexik/maintenance-bundle": "dev-master"
     },
     "require-dev": {
         "doctrine/doctrine-fixtures-bundle": "~2.2",