Upgrading to Rails 3.1 on Heroku — Part II: Stack Migration

In the last post, I started upgrading to Rails 3.1 on Heroku by first satisfying some of the prerequisites, such as ensuring that my application would run on Ruby 1.9.2.

In this post, I’m going to continue that process by actually migrating my Heroku application from a Bamboo stack to the new Cedar stack.

Since this is a real-world, live application, it’s important that everything be tested in a staging environment before I start mucking about with the live application. Since Heroku apps are (almost) free and take (almost) no time to setup, I’ll be relying heavily on that feature during this process.

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