Nginx virtual proxy host

nginx.conf

worker_processes  1;
events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;
    send_timeout 1800;
    sendfile        on;
    keepalive_timeout  6500;
    server {
        listen       80;
        listen       [::]:80 ipv6only=off;
        server_name  EXTERNAL SERVER URL
        location / {
          proxy_pass          LOCAL SERVER URL
          proxy_set_header    X-Real-IP        $remote_addr;
          proxy_set_header    X-Forwarded-For  $proxy_add_x_forwarded_for;
          proxy_read_timeout 1800;
          proxy_connect_timeout 1800;
        }
    }
}