Dockerfile Security Linter
Lint Dockerfiles against CIS benchmarks: root user execution, sensitive file mounts, and unpinned base images.
How to Use Dockerfile Security Linter
Paste your Dockerfile content.
The linter evaluates against CIS Docker benchmarks.
Review security score and copy remediated Dockerfile snippets.
Dockerfile Security Linter runs 100% client-side in your web browser. Your data, passwords, keys, and files are processed using the Web Crypto API and never transmitted to any server. Zero telemetry, zero storage, zero cloud processing.
Frequently Asked Questions
Why should containers avoid running as USER root?
Running as root allows attackers who break out of container sandboxes to achieve root access on the host node.
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