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Manuals

Explore Docker Hardened Images

Table of contents

Docker Hardened Images (DHI) are minimal, secure, and production-ready container base and application images maintained by Docker. Designed to reduce vulnerabilities and simplify compliance, DHI integrates easily into your existing Docker-based workflows with little to no retooling required.

This section helps you understand what Docker Hardened Images are, how they're built and tested, the different types available, and how responsibility is shared between Docker and you as a user. For a complete list of DHI features and capabilities, see Features.

Learn more about Docker Hardened Images

What are hardened images and why use them?

Learn what a hardened image is, how Docker Hardened Images are built, what sets them apart from typical base and application images, and why you should use them.

Build process

Learn how Docker builds, tests, and maintains Docker Hardened Images through an automated, security-focused pipeline.

Image testing

See how Docker Hardened Images are automatically tested for standards compliance, functionality, and security.

Responsibility overview

Understand Docker's role and your responsibilities when using Docker Hardened Images as part of your secure software supply chain.

Image types

Learn about the different image types, distributions, and variants offered in the Docker Hardened Images catalog.

Give feedback

Docker welcomes all contributions and feedback.