tigera-operator를 활용한 calcio권장 *버전 확인: https://docs.tigera.io/calico/latest/getting-started/kubernetes/requirements System requirements | Calico Documentation Review requirements before installing Calico to ensure success. docs.tigera.io * calico 3.26을 쓰다가 버그문제로,3.27로 업글 (이거였나, sts, deployment삭제하면, pod삭제가안됨..https://github.com/projectcalico/calico/issues/5715 ) 1.이미지준비 *폐쇄망에서는 operator이미지 받고,, 아래..