nginx-rails-unicorn-conf

upstream app {
    # Path to Unicorn SOCK file, as defined previously
    server unix:/tmp/unicorn.superheros.sock fail_timeout=0;
}

server{
  listen 80;
  server_name qed.im;
  root /var/www/superheros;
  try_files $uri/index.html $uri @app;
        location @app {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        proxy_pass http://app;
    }

    error_page 500 502 503 504 /500.html;
    client_max_body_size 4G;
    keepalive_timeout 10;
}