minor change

nginx.conf

@@ -12,7 +12,7 @@ http {
       proxy_http_version 1.1;
       proxy_set_header Upgrade $http_upgrade;
       proxy_set_header Connection 'upgrade';
-      proxy_set_header Host $http_host;
+      proxy_set_header Host "http://localhost:5000";
     }
     
     location / {