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Chainguard Containers are regularly-updated, secure-by-default container images.
For those with access, this container image is available on cgr.dev
:
Be sure to replace the ORGANIZATION
placeholder with the name used for your organization's private repository within the Chainguard Registry.
Chainguard's ratify
container is a lean, Wolfi-based container image. It is functionally equivalent to the upstream Ratity image while maintaining minimal dependencies and enhanced security.
But there are some differences between the upstream and Chainguard's ratify
container image:
/opt/ratify/config.json
instead of /.ratify/config.json
./opt/ratify/plugins
instead of /.ratify/plugins
.In order to deploy Ratify in your Kubernetes cluster, first things first, you need to install the Gatekeeper admission controller. You can follow the Gatekeeper installation guide.
To deploy Gatekeeper, first, you need to add the Gatekeeper Helm repository:
You can use Chainguard image for Gatekeeper by setting the image.repository
and image.release
values in a values.yaml
file:
Then, you can install Gatekeeper using the following command:
Once Gatekeeper is installed, you can deploy the Ratify admission controller. You can use the Ratify Helm chart to deploy Ratify in your cluster. First, add the Ratify Helm repository:
You can use the Chainguard image for Ratify by setting the image.repository
and image.tag
values in a values.yaml
file:
Then install the webhook using the values.yaml
file:
Then you can follow up the Ratify documentation to configure Ratify constraints to enforce policies on your Kubernetes cluster.
The ratify-fips
Chainguard Image ships with a validated redistribution of the OpenSSL's FIPS provider module. For more on FIPS support in Chainguard Images, consult the guide on FIPS-enabled Chainguard Images on Chainguard Academy
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.
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.
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.
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-2.0-or-later
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 agreementThis 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.
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