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gatekeeper-fips

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Chainguard Container for gatekeeper-fips

Minimal FIPS-compliant Gatekeeper image for enforcing Kubernetes policies using Open Policy Agent

Chainguard Containers are regularly-updated, secure-by-default container images.

Download this Container Image

For those with access, this container image is available on cgr.dev:

docker pull cgr.dev/ORGANIZATION/gatekeeper-fips:latest

Be sure to replace the ORGANIZATION placeholder with the name used for your organization's private repository within the Chainguard Registry.

Compatibility Notes

The Chainguard gatekeeper-fips image is a drop-in replacement for the upstream openpolicyagent/gatekeeper controller image. It is fully compatible with the official Gatekeeper Helm chart and supports all core functionality, including admission webhook validation, constraint enforcement, audit, and metrics. This image is designed to be minimal, secure alternative and runs as a non-root user. Switching to this image should not require any changes to your existing deployment configuration.

FIPS Support

The gatekeeper-fips Chainguard Container ships with a validated redistribution of OpenSSL's FIPS provider module. For more on FIPS support in Chainguard Images, consult the guide on FIPS-enabled Chainguard Images on Chainguard Academy.

Getting Started

You can deploy this image using the opa/gatekeeper Helm chart. Be sure to override the image by setting the following values in a values.yaml file:

image:
  repository: cgr.dev/ORGANIZATION/gatekeeper-fips
  release: latest

Be sure to replace the ORGANIZATION placeholder with the name used for your organization's private repository within the Chainguard registry.

Then, deploy the gatekeeper-fips helm chart

helm repo add gatekeeper https://open-policy-agent.github.io/gatekeeper/charts
helm repo update
helm install gatekeeper/gatekeeper --name-template=gatekeeper --namespace gatekeeper-system --create-namespace -f values.yaml --wait

Documentation

What are Chainguard Containers?

Chainguard Containers are minimal container images that are secure by default.

In many cases, the Chainguard Containers tagged as :latest contain only an open-source application and its runtime dependencies. These minimal container images typically do not contain a shell or package manager. Chainguard Containers are built with Wolfi, our Linux undistro designed to produce container images that meet the requirements of a more secure software supply chain.

The main features of Chainguard Containers include:

For cases where you need container images with shells and package managers to build or debug, most Chainguard Containers come paired with a -dev variant.

Although the -dev container image variants have similar security features as their more minimal versions, they feature additional software that is typically not necessary in production environments. We recommend using multi-stage builds to leverage the -dev variants, copying application artifacts into a final minimal container that offers a reduced attack surface that won’t allow package installations or logins.

Learn More

To better understand how to work with Chainguard Containers, please visit Chainguard Academy and Chainguard Courses.

In addition to Containers, Chainguard offers VMs and Libraries. Contact Chainguard to access additional products.

Trademarks

This software listing is packaged by Chainguard. The trademarks set forth in this offering are owned by their respective companies, and use of them does not imply any affiliation, sponsorship, or endorsement by such companies.

Licenses

Chainguard container images contain software packages that are direct or transitive dependencies. The following licenses were found in the "latest" tag of this image:

  • Apache-2.0

  • GCC-exception-3.1

  • GPL-3.0-or-later

  • LGPL-2.1-or-later

  • MIT

  • MPL-2.0

For a complete list of licenses, please refer to this Image's SBOM.

Software license agreement

Compliance

This is a FIPS validated image for FedRAMP compliance.

This image is STIG hardened and scanned against the DISA General Purpose Operating System SRG with reports available.

Learn more about STIGsGet started with STIGs

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