Add support for REDIS_N_AUTH_FILE

Author: erikdubbelboer

README.markdown

@@ -56,6 +56,7 @@ Environment variables summary
 * ``REDIS_1_NAME`` - define name of the Redis server
 * ``REDIS_1_PORT`` - define port of the Redis server
 * ``REDIS_1_AUTH`` - define password of the Redis server
+* ``REDIS_1_AUTH_FILE`` - define file containing the password of the Redis server
 * ``REDIS_1_DATABASES`` - You can modify you config to prevent phpRedisAdmin from using CONFIG command 
 * ``ADMIN_USER`` - define username for user-facing Basic Auth
 * ``ADMIN_PASS`` - define password for user-facing Basic Auth

includes/config.environment.inc.php

@@ -23,7 +23,11 @@
   $server_name = getenv($prefix . 'NAME');
   $server_host = getenv($prefix . 'HOST');
   $server_port = getenv($prefix . 'PORT');
-  $server_auth = getenv($prefix . 'AUTH');
+  if (getenv($prefix . 'AUTH_FILE') !== false) {
+    $server_auth = file_get_contents(getenv($prefix . 'AUTH_FILE'));
+  } else {
+    $server_auth = getenv($prefix . 'AUTH');
+  }
   $server_databases = getenv($prefix . 'DATABASES');
 
   if (empty($server_host)) {