kubernetes/etcd/certificate.yaml

apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: etcd
spec:
  secretName: etcd-cert
  dnsNames:
  - etcd.pyrocufflink.blue
  issuerRef:
    group: cert-manager.io
    kind: ClusterIssuer
    name: dch-ca
  privateKey:
    algorithm: ECDSA
    rotationPolicy: Always