loadbalancer nginx

loadbalancer

upstream _name_ {
  server ip_1:port;
  server ip_2:port;
  server ip_3:port;
  server ip_4:port;
  ...
}


server {
  listen 80;
  server_name _;
  root /var/www/_name_;

  try_files @unicorn index.html;

  location @unicorn {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_redirect off;
    proxy_pass http://_name_;
  }
}