Debug nginx api

nginx.conf

@@ -3,15 +3,23 @@ server {
 
     # Route /api/* to Flask (port 8080)
     location /api/ {
-        proxy_pass http://127.0.0.1:8080/;
-        proxy_set_header Host $host;
+        proxy_pass http://127.0.0.1:8080;
+        proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+        proxy_buffering off;
+        proxy_redirect off;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header X-Forwarded-Host $http_host;
+        proxy_set_header X-Forwarded-Proto $scheme;
     }
 
     # Route everything else to Gradio (port 9090)
     location / {
-        proxy_pass http://127.0.0.1:9090/;
+        proxy_pass http://127.0.0.1:9090;
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;