I've blogged about a similar exercise here:

http://zwischenzugs.wordpress.com/2014/08/09/using-shutit-an...

This deploys in a reliable way using a docker container and ShutIt, a tool we use in my corp for fast development of reliable and composable iterative steps:

http://ianmiell.github.io/shutit/

Here's more on the subject:

https://github.com/ianmiell/shutit/blob/master/README.md https://www.youtube.com/user/ianmiell http://zwischenzugs.wordpress.com/