fix: add nginx proxy to unify web + SocketIO on port 8080

- Nginx routes /socket.io/ to port 9000 (SocketIO)
- Nginx routes everything else to port 8000 (Frappe web)
- Sitename path prefix rewrite for socket.io compatibility
- Update: Zoraxy should now proxy to port 8080 instead of 8000

deploy/frappe-bench

@@ -0,0 +1,42 @@
+upstream frappe-web {
+    server 127.0.0.1:8000;
+}
+
+upstream frappe-socketio {
+    server 127.0.0.1:9000;
+}
+
+server {
+    listen 8080;
+    server_name _;
+
+    client_max_body_size 50M;
+
+    # Route ALL requests containing /socket.io/ to the SocketIO server
+    # This handles both /socket.io/ and /erp.lohmar.co.uk/socket.io/
+    location ~* /socket\.io/ {
+        rewrite ^(.*)/socket\.io/(.*)$ /socket.io/$2 break;
+        proxy_pass http://frappe-socketio;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_read_timeout 86400;
+    }
+
+    # All other requests go to Frappe web
+    location / {
+        proxy_pass http://frappe-web;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Host $host;
+        proxy_read_timeout 300;
+        proxy_redirect off;
+    }
+}