Not very detailed, it only touches on a few library's. The data access issue shouldn't be a huge issue if using the Django model anyway. Worse case scenario -

Not very detailed, it only touches on a few library's. The data access issue shouldn't be a huge issue if using the Django model anyway. Worse case scenario - you move to self hosting using the open source version (don't have the link handy), or you refactor your well designed data access layer to support a new platform.