Installing Cert-Manager v0.12 for IKS

You can install Cert-Manager v0.12 to support IBM Kubernetes Service (IKS).


  1. Ensure KUBECONFIG is set for the target cluster:
    ibmcloud ks cluster config --cluster <CLUSTER NAME>
  2. Obtain Cert-Manager v0.12 from
  3. Install cert-manager by obtaining cert-manager.yaml from the v0.12 distribution. Do not specify a custom namespace:
    kubectl apply -f cert-manager.yaml
  4. Wait for cert-manager pods to enter Running 1/1 status before proceeding.

    To check status:

    kubectl -n cert-manager get po
    There are 3 cert-manager pods in total.
  5. When cert-manager is running, create custom certificates.