Easily Upload Files with Active Storage in Rails 5.2 | Phase 2

Many times when developing an application for a customer, the requirement surfaces to handle uploaded files. It is a problem that has been solved many times, but typically not without causing the developer headaches in the process. When dealing with uploads, one has to consider a multitude of questions: What kinds of file are allowed? How big can the files get? How many can be uploaded and where do you store the files once uploaded? It can be a mess of...