nginx websocket

    location /websockets/ {
       proxy_pass             http://127.0.0.1:6001/;
       proxy_set_header Host  $host;
       proxy_read_timeout     60;
       proxy_connect_timeout  60;
       proxy_redirect         off;
   
       # Allow the use of websockets
       proxy_http_version 1.1;
       proxy_set_header Upgrade $http_upgrade;
       proxy_set_header Connection 'upgrade';
       proxy_set_header Host $host;
       proxy_cache_bypass $http_upgrade;
    }