Let's get some background information out of the way. I'm working on a new application, and am using crazy new things that I haven't had a chance to really use before. Rails 3, MongoDB, Redis and Resque, HTML5, etc. 1 With all these things, I figured I'll just use EngineYard since I can pretty much do whatever I want with the server, and they have a lot of the "stuff" taken care of. But they don't support MongoDB out of the box, and you have to …