Spree is without a doubt a de-facto eCommerce stack of Ruby world. Yet to many Spree is still a pandora box. In this tutorial, I will try to go through step by step from how to set up a Spree sandbox app on a local box to deployment to Heroku. Please note that all instructions are written for Apple MacOSX 10.7.x system. However I believe it applies to other UNIX and Linux systems too (maybe with m