https://devopswithkubernetes.com/part-1/1-first-deploy
https://devopswithkubernetes.com/part-2/1-networking-between-pods
https://devopswithkubernetes.com/part-3/1-introduction-to-gke
https://devopswithkubernetes.com/part-4/1-update-strategies-and-prometheus
https://devopswithkubernetes.com/part-5/1-kubernetes-internals