--- apiVersion: cert-manager.io/v1 kind: Issuer metadata: name: selfsigned-issuer spec: selfSigned: {} --- apiVersion: cert-manager.io/v1 kind: Certificate metadata: name: demo-selfsigned-ca spec: isCA: true commonName: demo-selfsigned-ca secretName: root-secret privateKey: algorithm: ECDSA size: 256 issuerRef: name: selfsigned-issuer kind: Issuer group: cert-manager.io --- apiVersion: cert-manager.io/v1 kind: Issuer metadata: name: demo-ca spec: ca: secretName: root-secret