New creates a new handler given a set of dependencies Rationale: This function, specifically in handler/handler.go contains all your routes.

Dependencies contains all the dependencies your application and its services require Rationale: Here you should use the interfaces of your services, although actual implementations can also be passed but note that this limits you while mocking for example.

Handler is your dependency container Rationale: This acts as your entry point for your application, everything is delegated from here.