first prototype

hector (dev) -> raspen (rev proxy) -> agge (appserver: nextcloud, gitea,
postgre)

vps/nginx/stream.d/postgres.conf

@@ -0,0 +1,8 @@
+upstream postgres_backend {
+    server 192.168.1.188:5432;
+}
+
+server {
+    listen 5432;
+    proxy_pass postgres_backend;
+}