Chainguard Container for rancher

Complete container management platform

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/rancher:latest

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

Compatibility Notes

This image is comparable to the rancher/rancher image available from Docker Hub. Switching to the Chainguard image should not require any changes to your existing setup.

Getting Started

Docker

You can run the following command to use Chainguard's Rancher image:

docker container run \
  --rm \
  -it \
  --privileged \
  -p 80:80 -p 443:443 \
  -e CATTLE_BOOTSTRAP_PASSWORD=admin \
  cgr.dev/ORGANIZATION/rancher:latest

Now, jump to https://localhost:443 in your browser and log in with the username admin and the password you set in the CATTLE_BOOTSTRAP_PASSWORD environment variable. Process the certificate warning in your browser and you should see the Rancher quick start wizard.

Kubernetes

For complete instructions on installing this image with Helm, please refer to the Helm Chart documentation. As a prerequisite, you may need to install cert-manager in your cluster.

The following is an example of how to use the Helm chart, using the Chainguard image.

Start by adding a values.yaml file to configure the Helm chart:

cat <<EOF > values.yaml
image:
  rancherImage: cgr.dev/ORGANIZATION/rancher
  rancherImageTag: latest
  rancherImagePullPolicy: Always

hostname: rancher.my.org
bootstrapPassword: admin
replicas: 1
debug: true
EOF

Add the Helm repository:

helm repo add rancher-stable https://releases.rancher.com/server-charts/stable
helm repo update

Then Install the chart:

helm install rancher rancher \
  --namespace cattle-system \
  --create-namespace \
  --values values.yaml

Documentation and Resources

Please refer the Rancher documentation for information.

You can explore the following resources to learn more about:

• Installing Rancher on a Single Node Using Docker
• Install/Upgrade Rancher on a Kubernetes Cluster

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:

• Minimal design, without unnecessary software bloat
• Daily builds to ensure container images are up-to-date with available security patches
• High quality build-time SBOMs attesting to the provenance of all artifacts within the image
• Verifiable signatures provided by Sigstore
• Reproducible builds with Cosign and apko (read more about reproducibility)

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.