nginx rails configuration

gistfile1.txt

server {
  server_name demo.domain.com;
  listen 80;

  charset utf-8;
  root /home/demo/castle/current/public;

  location @rails {
    proxy_pass  http://localhost:1123;
    proxy_set_header Host      $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  }

  location ~ cclib
  {
    add_header spam please_stop_bothering_me;
    return 403;
    break;
  }

  location ~ null$ {
    add_header mq stupid_mapquest_bug;
    return 406;
    break;
  }

  location /assets {
    # This isn't working. A request at www.domain.com/assets/abc/xyz should
    # for a file at {{ROOT}}/assets/abc/xyz. If not there, serve {{ROOT}}/404.html
    # with status 404.
    
    gzip_static on;
    expires max;
    add_header Cache-Control public;
    try_files $uri =404;
  }
  
  location / {
    # Rails will cache to {{ROOT}} so try there first, even if not
    # /assets. Then try Rails. Rails is going to serve a 404 anyway,
    # but if for some reason it doesn't, go ahead with that.
    try_files $uri @rails;
  }
}