Check out Mitchell's sister project, packer, on Github. Vagrant and packer are an unstoppable in any Unix-geek toolkit. I also saw Mitchell's videos on middle

Check out Mitchell's sister project, packer, on Github. Vagrant and packer are an unstoppable in any Unix-geek toolkit. I also saw Mitchell's videos on middleware-style coding in Ruby, also posted here, and that was a really insightful view on programming libraries. I greatly respect this guys work. He is a definite role-model to me.