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Tech riderRev. 9 Oct 2026

Iron Bank Registry1

Ch 176.8of 56Container Registries
  1. 1Runs onWeb
  2. 2CostsFree plan
  3. 3Image scanningYes
  4. 4OCI artifactsYes
  5. 5Maximum image size20 GB
5 lines stated Written from the maker's own pages: registry1.dso.mil, docs-ironbank.dso.mil
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Overview

Iron Bank Registry1 is ranked #17 of 56 in container registries on Specifiction. 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
Yesregistry1.dso.mil
Image scanning
Yesregistry1.dso.mil
OCI artifacts
Yesregistry1.dso.mil
Maximum image size
20 GBregistry1.dso.mil

Facts

Purpose
Iron Bank is a Platform One repository that provides hardened software container images and compliance and vulnerability assessments for the Department of Defense.docs-ironbank.dso.mil · 9 Oct 2026
Registry
Registry1 is an OCI-compliant registry where users can download images using the command line.docs-ironbank.dso.mil · 9 Oct 2026
Image access
Registry1 does not allow anonymous image pulls; users need a Repo1/Registry1 account.docs-ironbank.dso.mil · 9 Oct 2026
Hardening pipeline
The Container Hardening Pipeline checks project requirements, builds hardened containers, scans them, and publishes findings to VAT and images to Registry1.docs-ironbank.dso.mil · 9 Oct 2026
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.docs-ironbank.dso.mil · 9 Oct 2026
Refresh cadence
Iron Bank images are rebuilt every 24 hours with updated operating system packages.docs-ironbank.dso.mil · 9 Oct 2026
Risk information
Iron Bank provides automated Acceptance Baseline Criteria compliance results and a numeric Overall Risk Assessment score for images.docs-ironbank.dso.mil · 9 Oct 2026
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.docs-ironbank.dso.mil · 9 Oct 2026
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.docs-ironbank.dso.mil · 9 Oct 2026
Publishing restriction
External container images cannot be uploaded directly to the registry; images must pass through the Iron Bank Container Hardening Pipeline.docs-ironbank.dso.mil · 9 Oct 2026
Deployment limit
Iron Bank publishes container images but does not run or automatically deploy them in a user's environment.docs-ironbank.dso.mil · 9 Oct 2026
Support
Users can request support by creating repository issues with the appropriate templates, attending Iron Bank weekly sessions, or contacting Iron Bank support directly.docs-ironbank.dso.mil · 9 Oct 2026
Authorization limit
Hardened containers do not themselves have a Certificate to Field or an Authority to Operate.docs-ironbank.dso.mil · 9 Oct 2026

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Where it ranks on Specifiction

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Sources