https://www.youtube.com/watch?v=QGF7igBYSEI&list=PLApuRlvrZKohaBHvXAOhUD-RxD0uQ3z0c&index=8kubectl = k
https://www.youtube.com/watch?v=Iue9TC13vPQ&list=PLApuRlvrZKohaBHvXAOhUD-RxD0uQ3z0c&index=7쿠버네티스 동작 과정(원리)컴포넌트 종류와 구성애드온k8s 컨테이너 동작 flow(선생님의 초상권
statefulset rollout undo replicaset scale service 다루기 전 단계임