refactor docker swarm to use just home without workers for now

add caching at nginx level for portainer and gitea

dockerfiles/services/sslproxy/hosts/letsencrypt.conf

@@ -1,13 +0,0 @@
-# proxy for unsecured traffic for letsencrypt verification
-server {
-    listen  80 default_server;
-    server_name _
-
-    client_max_body_size 200m;
-
-    location / {
-        proxy_set_header Connection $http_connection;
-        proxy_pass http://dkhost.xai-corp.net:83;
-    }
-
-}