$ rhc app create -a [appname] -t diy-0.1
$ rhc app ssh [appname]
$ rhc app create -a [appname] -t diy-0.1
$ rhc cartridge add -a [appname] -c mysql-5.1
This set of scripts and config files will help you set up the awesome combination of Unicorn and Nginx as a server environment for Ruby web applications on Red Hat's OpenShift platform while I finish my cartridge.