apiVersion: cert-manager.io/v1
kind: Certificate
metadata: 
  name: gateway-cert-inner
spec: 
  duration: 87600h
  renewBefore: 24000h
  issuerRef:
    kind: ClusterIssuer
    name: tidb-serverless-issuer
  secretName: gateway-cert-inner-secret
  subject: 
    organizations: 
      - PingCAP
  dnsNames:
    - "*"