gistfile1.txt

  upstream thin {
    server unix:/tmp/thin.0.sock;
    server unix:/tmp/thin.1.sock;
    server unix:/tmp/thin.2.sock;
  }

  server {
    listen 80;

    server_name my-domain-name.com

    location /status.html {
      proxy_pass http://thin;
    }
    location / {
      proxy_pass http://thin;
    }

    if ($http_x_forwarded_proto = 'http') {
      #return 301 https://$server_name$request_uri;
      # (or) 
      rewrite ^ https://$server_name$request_uri? permanent;
    }

  }