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Minimum Kubernetes Version#

To use Gatekeeper, you should have a minimum Kubernetes version of 1.16, which adds v1 CRDs.

RBAC Permissions#

For either installation method, make sure you have cluster admin permissions:

  kubectl create clusterrolebinding cluster-admin-binding \    --clusterrole cluster-admin \    --user <YOUR USER NAME>


Deploying a Release using Prebuilt Image#

If you want to deploy a released version of Gatekeeper in your cluster with a prebuilt image, then you can run the following command:

kubectl apply -f

Deploying a Release using development image#

If you want to deploy latest development version of Gatekeeper, you can use openpolicyagent/gatekeeper:dev tag or openpolicyagent/gatekeeper:<SHA>.

Images are hosted in OPA Docker Hub repository.

Deploying HEAD Using make#

Currently the most reliable way of installing Gatekeeper is to build and install from HEAD:

  • Make sure that:
    • You have Docker version 19.03 or later installed.
    • Kubebuilder and Kustomize are installed.
    • Your kubectl context is set to the desired installation cluster.
    • You have a container registry you can write to that is readable by the target cluster.
  • Clone the Gatekeeper repository to your local system:
    git clone
  • cd to the repository directory.
  • Define your destination Docker image location:
  • Build and push your Docker image:
  • Finally, deploy:

Deploying via Helm#

A basic Helm chart exists in charts/gatekeeper. If you have Helm installed, you can deploy via the following instructions for Helm v3:

helm repo add gatekeeper install gatekeeper/gatekeeper --generate-name

If you are using the older Gatekeeper Helm repo location and Helm v3.3.2+, then use force-update to override the default behavior to update the existing repo.

helm repo add gatekeeper --force-update

Please note that this chart is compatible with Helm v3 starting with Gatekeeper v3.1.1. When using Helm v3, it is expected to see warnings regarding to crd-install hook. This is due to maintaining backwards compatibility with Helm v2 and should not impact the chart deployment.

You can alter the variables in charts/gatekeeper/values.yaml to customize your deployment. To regenerate the base template, run make manifests.


Using Prebuilt Image#

If you used a prebuilt image to deploy Gatekeeper, then you can delete all the Gatekeeper components with the following command:

kubectl delete -f

Using make#

If you used make to deploy, then run the following to uninstall Gatekeeper:

  • cd to the repository directory
  • run make uninstall

Using Helm#

If you used helm to deploy, then run the following to uninstall Gatekeeper:

helm delete <release name>

Helm v3 will not cleanup Gatekeeper installed CRDs. Run the following to uninstall Gatekeeper CRDs:

kubectl delete crd -l

This operation will also delete any user installed config changes, and constraint templates and constraints.