Iron Bank Registry1

6.9easy start · #13of 56
in Container Registries

Free to practise onyes
Well documentedyes
Runs where you workno

Runs on Web.

Iron Bank Registry1 is ranked #13 of 56 in container registries on The Geeks Club. It runs on Web. There is a free plan.

Iron Bank Registry1 plans and pricing

All plans

Iron Bank Free No cost to contributors or users · Registry1 requires an account for image pulls docs-ironbank.dso.mil · 9 Oct 2026

Compared on container registries

Free plan: Yes
Image scanning: Yes
OCI artifacts: Yes
Maximum image size: 20 GB

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The record

Purpose: Iron Bank is a Platform One repository that provides hardened software container images and compliance and vulnerability assessments for the Department of Defense.
Registry: Registry1 is an OCI-compliant registry where users can download images using the command line.
Image access: Registry1 does not allow anonymous image pulls; users need a Repo1/Registry1 account.
Hardening pipeline: The Container Hardening Pipeline checks project requirements, builds hardened containers, scans them, and publishes findings to VAT and images to Registry1.
Security artifacts: Hosted containers can include Anchore, Twistlock, and OpenSCAP scan results, ClamAV virus scans, Trufflehog secrets scans, Syft SBOMs, Cosign signatures, and vendor finding justifications.
Refresh cadence: Iron Bank images are rebuilt every 24 hours with updated operating system packages.
Risk information: Iron Bank provides automated Acceptance Baseline Criteria compliance results and a numeric Overall Risk Assessment score for images.
Integrations: The documented ecosystem includes Repo1 Git repositories and CI pipelines, VAT for tracking vulnerability findings and justifications, and tools including Anchore, OpenSCAP, Twistlock, Cosign, and Renovate.
Supported users: Iron Bank is intended for DoD organizations consuming or contributing containers, authorization officials assessing application risks, and commercial vendors bringing applications to the DoD.
Publishing restriction: External container images cannot be uploaded directly to the registry; images must pass through the Iron Bank Container Hardening Pipeline.
Deployment limit: Iron Bank publishes container images but does not run or automatically deploy them in a user's environment.
Support: Users can request support by creating repository issues with the appropriate templates, attending Iron Bank weekly sessions, or contacting Iron Bank support directly.
Authorization limit: Hardened containers do not themselves have a Certificate to Field or an Authority to Operate.
Price from: Free

Where it ranks on The Geeks Club

Best Container Registries in 2026#13 of 56

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Sources

docs-ironbank.dso.mil/faq/· checked 9 Oct 2026
docs-ironbank.dso.mil/quickstart/components/· checked 9 Oct 2026
docs-ironbank.dso.mil/quickstart/pipeline/· checked 9 Oct 2026
docs-ironbank.dso.mil/overview/· checked 9 Oct 2026