https://subicura.com/k8s/prepare/yaml.html#기본문법

https://velog.io/@pinion7/kubectl-커맨드의-2가지-형식을-이해하고-실습해보기

https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.23/#service-v1-core

https://eksctl.io/usage/creating-and-managing-clusters/

https://matthewpalmer.net/kubernetes-app-developer/articles/kubernetes-networking-guide-beginners.html

https://subicura.com/k8s/guide/service.html#문제 이 부분 문제 푸는데 여러게 문법 틀림

https://velog.io/@chan9708/K8S-network-및-CNI-이론-정리