Cert Manager in K8S installieren

Helm Repo hinzufügen

helm repo add jetstack https://charts.jetstack.io --force-update
helm install \
  cert-manager jetstack/cert-manager \
  --namespace cert-manager \
  --create-namespace \
  --version v1.15.3 \
  --set crds.enabled=true

ClusterIssuer konfigurieren

apiVersion: cert-manager.io/v1
kind: ClusterIssuer
metadata:
  name: letsencrypt
spec:
  acme:
    server: https://acme-v02.api.letsencrypt.org/directory
    email: ta@example.com
    privateKeySecretRef:
      name: example-issuer-account-key
    solvers:
    - http01:
        ingress:
          ingressClassName: nginx