This is a workshop given at GopherCon Brazil 2018. It is a hands on workshop that aims to teach how to extend a Kubernetes cluster building go controllers.
The slides are available at: https://go-talks.appspot.com/github.com/andrestc/go-kubernetes-workshop/workshop.slide
Alternatively, You can view the slides locally using the present tool:
go install golang.org/x/tools/cmd/present
present