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minimal zero CVE flux images
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.
Flux IAMGuarded is a security-enhanced variant of Flux designed to be deployed using its companion IAMGuarded Helm chart. This image and chart combination provides additional security benefits over standard Flux deployments.
The Flux IAMGuarded Helm chart is delivered exclusively through the same OCI registry as your Chainguard images:
Once authenticated (see below) you can install the chart with standard Helm commands and your organization name:
Important: Replace $ORGANIZATION
with your Chainguard organization name. The default organization in the chart values is chainguard-private
, which must be changed to match your organization.
In order to provide FIPS image(s), they have to be explicitly provided as values to chart - such as:
The global.org
value is required and can be set either:
--set
flag during installationvalues.yaml
fileFor users who mirror images to custom repositories:
global.imageRegistry
to override the default cgr.dev
values.yaml
for individual image configuration options including registry
, repository
, tag
, and digest
Example values.yaml
for individual image configuration:
Ensure proper pull credentials are configured through one of the following methods:
Option 1: Using Helm values with global.imagePullSecrets
Option 2: Create a Kubernetes pull secret
Option 3: Cluster node-scoped registry permissions (cluster-dependent)
Pin to Digest: While charts follow the same tagging scheme as Chainguard images, always pin to a specific chart digest to prevent unexpected updates:
The digest can be found in the output of helm pull
e.g:
Digest value for illustrative purposes only.
Review Default Values: The chart provides security-minded defaults that are sensible but may not be production-ready for all use cases. Review the chart's values.yaml
(run helm show values
) for the full range of configuration options.
Image Pinning: All IAMGuarded charts pin images to specific digests that have been tested for compatibility, ensuring reliable deployments.
After deployment, validate your Flux IAMGuarded installation:
You should see Flux controller pods running:
For more information on Flux, including follow-on steps on how to validate the installation, please refer to Getting started with Flux.
Prerequisites are defined in the chart's Chart.yaml
and individual templates. No additional requirements beyond standard Kubernetes and Helm functionality are needed.
For detailed configuration options and advanced usage, refer to the chart's values.yaml
file.
Chainguard's free tier of Starter container images are built with Wolfi, our minimal Linux undistro.
All other Chainguard Containers are built with Chainguard OS, Chainguard's minimal Linux operating system 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 development, or -dev
, variant.
In all other cases, including Chainguard Containers tagged as :latest
or with a specific version number, the container images include only an open-source application and its runtime dependencies. These minimal container images typically do not contain a shell or package manager.
Although the -dev
container image variants have similar security features as their more minimal versions, they include additional software that is typically not necessary in production environments. We recommend using multi-stage builds to copy artifacts from the -dev
variant into a more minimal production image.
To improve security, Chainguard Containers include only essential dependencies. Need more packages? Chainguard customers can use Custom Assembly to add packages, either through the Console, chainctl
, or API.
To use Custom Assembly in the Chainguard Console: navigate to the image you'd like to customize in your Organization's list of images, and click on the Customize image button at the top of the page.
Refer to our Chainguard Containers documentation on Chainguard Academy. Chainguard also offers VMs and Libraries — contact us for access.
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
BSD-3-Clause
CC-PDDC
GCC-exception-3.1
GPL-2.0-or-later
GPL-3.0-or-later
ISC
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.
Learn more about STIGsGet started with STIGs