Simon Willison’s Weblog

What are useful tools for building out web app Infrastructure?

My answer to What are useful tools for building out web app Infrastructure? on Quora

First, make sure you know your way around a command automation tool, such as Fabric (Python) or Capistrano (Ruby).

Then pick one of Puppet or Chef and learn it—neither are particularly well documented in my opinion, so pick the one that people you know use.