Update 1: These instructions should work just fine for any Rack application mounted in Rails 3. Update 2: After talking to José Valim about this, it turns out that in the latest Device (1.1rc2 and up) you can also do this in the routes file, like this: Update 3: If you’re having problems with the Resque web interface static assets you’ll need to either copy or symlink them from the gem to your app

