heroku
- http://www.heroku.com/
- http://seapy.com/1816
- http://mudchobo.tistory.com/524
- http://groups.google.com/group/rubykr/browse_thread/thread/fd29b2e3019241c0?pli=1
- http://ggungs.com/3
- http://spectrum.egloos.com/5135977
- http://www.ddaily.co.kr/news/news_view.php?uid=82612
- http://deepblue.springnote.com/pages/605584
- http://mudchobo.tistory.com/525
Amazon EC2
