refactor docker swarm to use just home without workers for now

add caching at nginx level for portainer and gitea

dockerfiles/services/nextcloud/config/db.config.php

@@ -0,0 +1,14 @@
+<?php
+
+$CONFIG = [
+    'dbtype' => getenv('DBTYPE'),
+    'dbhost' => getenv('DBHOST') .':'. getenv('DBPORT'),
+
+    'dbname' => getenv('DBNAME'),
+
+    'dbuser' => getenv('DBUSER'),
+    'dbpassword' => getenv('DBPASS'),
+
+    'dbtableprefix' => 'oc_',
+    'mysql.utf8mb4' => true,
+];