Vanilla nginx.conf to work with upstream (Tornado) instances.

vanilla_nginx.conf

# one worker per CPU core
worker_processes    1;

events {
    worker_connections  1024;
}

http {
  # enumerate Tornado servers here
  upstream main {
    server  127.0.0.1:8888;
  }

  # basic options
  default_type    application/octet-stream;
  sendfile        on;
  tcp_nopush      on;
  tcp_nodelay     on;
  keepalive_timeout   65;
  gzip  on;
  proxy_next_upstream error;

  server {
    listen       80;
    server_name  localhost;
      location / {
      proxy_pass_header Server;
      proxy_set_header Host $http_host;
      proxy_redirect off;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Scheme $scheme;
      proxy_pass http://main;
    }
  }
}