Update nginx.conf

nginx.conf

@@ -1,9 +1,16 @@
+# Set up a map to handle x-request-id
+map $http_x_request_id $req_id {
+    default $http_x_request_id;
+    "" $request_id;
+}
+
 server {
     listen 4444 default_server;
     listen [::]:4444 default_server;
 
     server_name _;
 
+    # Gradio application on port 7860
     location / {
         # Serve GRADIO 7860
         proxy_pass http://localhost:7860;
@@ -18,6 +25,7 @@ server {
         proxy_redirect off;
     }
 
+    # Static files backend on port 8000
     location /static/ {
         # Serve backend from port 8000
         rewrite /static/(.*) /$1 break;
@@ -33,7 +41,11 @@ server {
         proxy_redirect off;
     }
 
+    # Unity Mirror Networking on port 7777
     location /unity/ {
+        # Ensure no duplicate x-request-id header
+        proxy_set_header x-request-id $req_id;
+
         # Serve Unity Mirror Networking on port 7777
         proxy_pass http://localhost:7777;
         proxy_http_version 1.1;
@@ -47,4 +59,4 @@ server {
         proxy_send_timeout 86400;
         proxy_redirect off;
     }
-}
+}