mdserver-web/web/misc/nginx/rewrite/proxydg.conf

location / {
   proxy_redirect off;
   proxy_pass http://127.0.0.1:12345;
   proxy_http_version 1.1;
   proxy_set_header Upgrade $http_upgrade;
   proxy_set_header Connection "upgrade";
   proxy_set_header Host $http_host;
}