diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 2085a27..36abef8 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -8,11 +8,18 @@ http {
     ssl_certificate_key /etc/nginx/certs/selfsigned.key;
 
     location / {
+      # reverse proxy
       proxy_pass          http://nodejs-server-image:9091;
       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;
+
+      # WebSocket proxy settings:
+      proxy_http_version 1.1; # Crucial for WebSocket upgrade
+      proxy_set_header Upgrade $http_upgrade; # Pass the Upgrade header
+      proxy_set_header Connection "upgrade"; # Pass the Connection header
+      proxy_read_timeout 86400; # Keep the connection alive for a long time (e.g., 24 hours)
     }
   }
 }
\ No newline at end of file