server {
  server_name mysite.com www.mysites.com;
  index index.php;
  root /path/to/wordpress/installation;

  location ~ \.php$ {
    try_files			$uri =404;
    include      		fastcgi_params;
    fastcgi_index		index.php;
    fastcgi_intercept_errors	on;
    fastcgi_pass		127.0.0.1:9000;
    fastcgi_param 		SCRIPT_FILENAME		$document_root$fastcgi_script_name;
  }

  location / ( try_files $uri $uri/ /index.php?$args; }
}