Dockerfile Linting Automation: Hadolint Rules Every Team Should Use

One un-pinned apt-get install line in a Dockerfile was all it took for a public-facing container image to ship a known-critical CVE for nine months. A linting rule that runs in under a second — before the image ever leaves the build machine — would have caught it on the first commit.

Dockerfiles look deceptively simple: a dozen lines, a base image, a few RUN commands. But those lines encode every

👉 Read the full article on ShieldOps: https://shieldops-ai.dev/blog/dockerfile-linting-automation-hadolint-rules-every-team-should-use

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Originally published on ShieldOps Blog.