Nginx problem

nginx.conf

@@ -27,8 +27,9 @@ http {
             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 Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
         }
         
-        
     }
 }