apiVersion: cert-manager.io/v1 kind: ClusterIssuer metadata: name: letsencrypt-staging namespace: cert-manager spec: acme: email: simon.kaiser@gmx.net # replace this privateKeySecretRef: name: staging-issuer-account-key server: https://acme-staging-v02.api.letsencrypt.org/directory solvers: - http01: ingress: class: traefik ingressTemplate: metadata: annotations: "traefik.ingress.kubernetes.io/router.tls": "true" "traefik.ingress.kubernetes.io/frontend-entry-points": "websecure" selector: {}