gistfile1.txt

upstream bookmaker {
  #seu servico, nesse caso é o unicorn
  server unix:/tmp/bookmaker.socket fail_timeout=0;
}

server {
  listen 80 default;
  server_name  localhost; #outros domains
  root /root/bookmaker/current/public;
  access_log /var/log/nginx/bookmaker_access.log;
  rewrite_log on;
  location / {
    proxy_pass  http://bookmaker;
    #mais confs omitidas
  }
#statics
  location ~ ^/(assets|images|javascripts|stylesheets|system)/  {
    root /root/bookmaker/current/public;
    expires max;
    break;
  }
}