App Dev: Developing a Backend Service - JavaGo to Lab
There is a little too much to do in the time allowed, especially if you're typing it out and also taking notes.
Really comprehensive, gives an overview on some practical technologies of GCP (queue, NLP, relative db). You should make it more straightforward that you can't create the same worker many times, e.g. provide additional note on that so people can comment out relevant line of code when came across that issue (in the later sections you just change the name of the worker, which purpose isn't explained).