csr, key 파일로 CertificateSigningRequest를 만드세요 https://kubernetes.io/docs/reference/access-authn-authz/certificate-signing-requests/Create a CertificateSigningRequest 참조 akshay.yaml 파일 생성 및 붙여넣기apiVersion: certificates.k8s.io/v1kind: CertificateSigningRequestmetadata: name: myuserspec: request: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURSBSRVFVRVNULS0tLS0KTUlJQ1ZqQ0NBVDRDQVFBd0VURVBNQTBHQTFVRUF3d0dZVzVuWld4aE..