I first read about this in the excellent book Release it! http://www.amazon.com/Release-Production-Ready-Software-Pragmatic-Programmers/dp/0978739213/ref=sr_1_1

I first read about this in the excellent book Release it! http://www.amazon.com/Release-Production-Ready-Software-Pragmatic-Programmers/dp/0978739213/ref=sr_1_1?ie=UTF8&qid=1423875882&sr=8-1&keywords=release+it http://www.amazon.com/Release-Production-Ready-Software-Prag... . It's an really interesting read, and kind of a proto-devops book.