Play in a sandbox in production - Andy Croll

As an employed developer, you often have privileged access to the production environment of the application you’re working on. This is often required to do bug fixes or to run commands for folks in other departments of your organisation.However, with great power comes a great ability to shoot yourself in the foot. It’s all too easy to make damaging changes to user data without meaning to.Thankfully Rails gives us some nice protection, but you have to opt-in to using it.