Gr8conf Europe 2014 presentation by Benoit Hediard (@benorama).
DevOps Simulator demo: http://devops.benorama.com
DevOps Simulator code: http://github.com/benorama/devops-simulator
I also wrote a wrap up article here: https://medium.com/@benorama/running-a-startup-with-lean-devops-culture-df50825b110b