Node api nginx config

 server {

   listen 80;

   server_name domain/subdomain;

   location / {

  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_set_header Host $host;

        proxy_pass http://localhost:port/api/;

        proxy_http_version 1.1;

        proxy_set_header Upgrade $http_upgrade;

        proxy_set_header Connection "upgrade";

   }

}