Divorce your app from the Web Framework

[Tom Parker]

Here is a great talk by Uncle Bob that covers many items, but brings
up an excellent point about the web and the web frameworks
relationship to your application. The talk is fairly language
agnostic, however it is given at a rails confrence so it does
highlight Rails. No matter, allmost all of it is relavent to Grails.

here is the link
http://confreaks.com/videos/759-rubymidwest2011-keynote-architecture-the-lost-years

and here is a rails "implementation"
https://github.com/qertoip/guru_watch

[Core]

er, magic tricks start around 21 minutes in :)

thanks for the link.