dhi.io/gatekeeper
Gatekeeper
Policy Controller for Kubernetes, built on Open Policy Agent.
pushed 18 hours ago
linux/amd64, linux/arm64
29.13 MB
for linux/amd64
153
for linux/amd64
Active support
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Build Level 3
Tamper-evident proof of how and from what sources this image was built. Build Level 3 is the highest the SLSA build track defines.
CycloneDX SBOM + SPDX SBOM
A software bill of materials in both CycloneDX and SPDX formats so it drops straight into your existing tooling. Audit exactly what you're shipping.
A Vulnerability Exploitability exchange document, Docker's assessment of which CVEs actually affect this image and which don't apply, so you can focus on real risk instead of chasing false positives.
Available
A link to everything used to build the image, package source code, Git repos, and build files, so you can audit or reproduce the build and stay compliant with open source licenses.
Every known vulnerability in this image, shown in full rather than hidden. The VEX data flags which ones actually apply, so you can tell real exposure from noise before you ship.
Exactly what changed in this build, down to the package bumps and fixes behind the version you're pulling.
Verifies no keys, tokens, or credentials were accidentally baked into the image.
The image layers were scanned for known malware signatures before publishing.
About Gatekeeper
Gatekeeper is a policy controller for Kubernetes, built on top of the Open Policy Agent (OPA) Constraint Framework. Gatekeeper integrates with the Kubernetes admission controller API to enforce policies that govern which resources can be created on a cluster, and it can audit existing resources against those same policies.
Policies are expressed as ConstraintTemplate and Constraint custom resources written in
Rego, OPA's declarative policy language. Common uses
include enforcing required labels, restricting container images to approved registries, blocking privileged workloads,
and ensuring resource quotas and security contexts.
Gatekeeper is an official sub-project of Open Policy Agent (OPA), which is a Cloud Native Computing Foundation graduated project.
About Docker Hardened Images
Docker Hardened Images are built to meet the highest security and compliance standards. They provide a trusted foundation for containerized workloads by incorporating security best practices from the start.
Why use Docker Hardened Images?
These images are published with zero-known CVEs, include signed provenance, and come with a complete Software Bill of Materials (SBOM) and VEX metadata. They're designed to secure your software supply chain while fitting seamlessly into existing Docker workflows.
Trademarks
OPEN POLICY AGENT and GATEKEEPER are trademarks of The Linux Foundation. Use of these trademarks does not imply endorsement by The Linux Foundation or the Open Policy Agent project.