Within this presentation I will present all the different solutions and repositories Sitecore provides OOTB to have a look, which purpose they have and what we can learn from them.
As an conclusion of that, I will present a custom Blueprint repository combining all the best practices learned from the Sitecore solutions, with which a customer solution can could be created. With this Blueprint repositories developers can quickly learn, what is needed to set up different environments like XP0 or XP1, how to include XConnect customizations or what is needed to include special modules lilke SxA.