Added a bit more automation to build processes (only supported versions)

fpm-alpine/21/redis.config.php

@@ -0,0 +1,8 @@
+<?php
+$CONFIG = array (
+  'memcache.locking' => '\OC\Memcache\Redis',
+  'redis' => array(
+    'host' => 'redis',
+    'port' => 6379,
+  ),
+);