rancher

Infra

Updated 8 hours ago

Rancher Overview

Secure your stack with a hardened Rancher image freshly-built by Minimus. Minimus images always include the most up-to-date package version for all packages and dependencies contained in the image.

Rancher is a complete container management platform for deploying, securing, and operating Kubernetes clusters at scale across any infrastructure, on-premises, in the cloud, or at the edge. It provides a centralized UI and API for provisioning clusters, enforcing RBAC and security policies, monitoring workloads, and deploying applications from a built-in catalog across an entire fleet of managed clusters.

Try It Out

Run Rancher on a single node

Rancher installs a local Kubernetes cluster inside the container to run on, so the --privileged flag is required:

docker run -d --restart=unless-stopped --name minimus-rancher \
-p 80:80 -p 443:443 \
--privileged \
reg.mini.dev/rancher

Retrieve the bootstrap password

Rancher generates a bootstrap password on first startup. Check the container logs for it:

docker logs minimus-rancher 2>&1 | grep "Bootstrap Password:"

For example:

2026-01-01T00:00:00.000000000Z level=info msg="Bootstrap Password: abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopqrstuvwx"

Navigate to https://localhost in a browser, accept the self-signed certificate warning, and log in using the bootstrap password to finish setup.

Ready to mount a persistent data volume?

Mount a data directory on the host system to the default data directory in the container to persist cluster state across restarts:

docker run -d --restart=unless-stopped --name minimus-rancher \
-p 80:80 -p 443:443 \
-v $(pwd)/rancher-data:/var/lib/rancher \
--privileged \
reg.mini.dev/rancher

Technical Considerations

The Rancher image provided by Minimus is a slim, security-hardened alternative to the public image from Docker Hub. The images are largely interchangeable, with a few differences as noted below.

Rancher built by Minimus:

Runs as root to support required functions in alignment with the public image.
Drill down on the version specification tab to see the default user, listening ports, entrypoint, volumes, environment variables, etc.

The Payoff

A hardened, minimal image that will remain more secure for the long run and accrue vulnerabilities at a slower rate.

See the risk reduction dashboard for a detailed CVE comparison over the past 30 days.
Review the compliance report to see the default hardening and security configurations for the image.

Terms & Info

Trademark

This catalog is published by Minimus. All product names, logos, and marks, other than those belonging to Minimus, shown are owned by their respective rights holders and appear here only to identify the open source software each image contains. Minimus claims no ownership of those marks and implies no affiliation with, endorsement by, certification by, or sponsorship by any rights holder.

Disclaimer

Images are provided "as-is" without warranty of any kind. "Hardened" refers to the security configuration applied at the time of build and does not constitute a guarantee of ongoing security or absence of vulnerabilities. The free tier is provided without support, SLA, or guaranteed patching timelines. Security updates may be applied to paid subscriptions before or instead of free tier images. By pulling or using any image you agree to our Terms of Use.