External Documentation

Kubernetes General

Official Tuto : https://kubernetes.io/docs/tutorials/
Phippy : https://www.cncf.io/phippy/phippy-goes-to-the-zoo-book/
Rancher : https://docs.ranchermanager.rancher.io

Nginx

Annotations : https://docs.nginx.com/nginx-ingress-controller/configuration/ingress-resources/advanced-configuration-with-annotations