To add: You can pretty much create re-usable templates of robust logging, monitoring, testing, etc. It makes things way simpler and cuts down development time.

To add: You can pretty much create re-usable templates of robust logging, monitoring, testing, etc. It makes things way simpler and cuts down development time. For example, I follow the same principles and "finished" a Django-based application in about twelve days (with a good amount of tests included). No corners cut. Just leveraged previous code/experience.