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Fetches all sources referenced by a Chainguard Package or Image SBOM.
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.
The chainguard-source
container fetches the upstream sources for a
Chainguard package, image, or SBOM. This is useful for verifying source
provenance or complying with licensing requirements.
To fetch the sources for a known package:
This will create a ./sources
directory in your current working directory
containing the fetched source code.
To fetch sources for a container image:
If you already have an SPDX-formatted SBOM JSON file:
Some packages or images reference private source repositories (e.g., GitHub over SSH). To fetch these sources, run in privileged mode and mount your SSH credentials:
This mounts your local ~/.ssh keys into the container and sets GIT_SSH_COMMAND to skip host key verification. You can also use ssh-agent forwarding if your environment supports it.
chainguard-source supports additional functionality via optional command-line arguments. To see all the available options:
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-2-Clause
BSD-3-Clause
GCC-exception-3.1
GPL-2.0-only
GPL-2.0-or-later
GPL-3.0
For a complete list of licenses, please refer to this Image's SBOM.
Software license agreement