I really like the approach of a 12factor app, which you are kinda forced into, when you deploy an application to Heroku. For this question I\'m particularly interested in settin
If you dont need beanstalk, you can look at AWS Opsworks (http://aws.amazon.com/opsworks/). Ideal for Web worker kind of deployment scenerios. You can pass any variable from outside the code here (even Chef recipies)