Some time ago I installed Crashplan on my QNAP NAS with Docker. As in the meantime there were a lot of updates available for all moving parts, it was certainly time to update. What a scary idea! Much to my delight, the update went very smooth and CrashPlan works properly as expected. The update involved some steps, but with the Docker setup in place, the update was really easy. Update Procedure The steps I took to update Crashplan are the following:

Deciding how to setup the directory structure of a project is not easy. Often, the frameworks people are used to suggest a way to organize classes, such as Symfony does. However, when implementing domain-driven design (DDD) it is very important to NOT couple the domain code to a framework, as sooner or later sticking to a proposed directory structure renders your carefully crafted code coupled to the framework. Also, you want to make sure that your architecture remains changeable.