On a similar note, Go Programming Blueprints, which just takes you right into practical affairs - project organization, template loading / rendering, a little bit of testing, REST apis, oAuth, image handling (via oauth, gravatar and file upload), databases, CLI's, external APIs, App Engine, microservices, gRPC and Docker. The main gripe I've had with it so far is that the bit of HTML / JS that is in there seems rather dated, but on the other hand, it's good old jquery from CDNs instead of bothering the reader with setting up nodejs, webpack and all that.

I really should kick myself up the arse and go beyond chapter 3, I'm doing Go in a real project now.