I don't know about "recommended over" but it may perhaps be "a more advanced way to". It depends upon your needs. Lets say that you're running a service that

I don't know about "recommended over" but it may perhaps be "a more advanced way to". It depends upon your needs. Lets say that you're running a service that has 20 servers running a Django app, and you want to be able to update the configuration for these apps in real time. Can this be done easily using environment variables? (Serious question. I haven't actually thought much about this, but my instinct is that it will be more difficult.)