Building applications in Ruby is fast and fun. Features fly, progress is quick and everyone's happy, until you have to deploy. While services like Heroku make deployment easier than it ever has been before, there's only so much they can do for you, and no-one is happy when customers can't use your application! This talk will go over steps developers can take to protect against common production errors as well as more advanced techniques to keep your application running smoothly over the long term.