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