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Installing using cmctl



The CLI provides the simplest way of installing cert-manager:

cmctl x install

The command makes sure that the required CustomResourceDefinitions are installed together with the cert-manager, cainjector and webhook components. Under the hood, a procedure similar to the Helm install procedure is used.

You can also use cmctl x install to customize the installation of cert-manager.

The example below shows how to tune the cert-manager installation by overwriting the default Helm values:

cmctl x install \
--set prometheus.enabled=false \ # Example: disabling prometheus using a Helm parameter
--set webhook.timeoutSeconds=4s # Example: changing the wehbook timeout using a Helm parameter

You can find a full list of the install parameters on cert-manager's ArtifactHub page. These are the same parameters that are available when using the Helm chart. Once you have deployed cert-manager, you can verify the installation.

Output YAML

The CLI also allows the user to output the templated manifest to stdout, instead of installing the manifest on the cluster.

cmctl x install --dry-run > cert-manager.custom.yaml