apiVersion: cert-manager.io/v1 kind: Issuer metadata: name: letsencrypt-staging 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 selector: {}