Docker
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Why this exists Almost every Dockerfile problem that reaches production was visible in the file the day it was written: an unpinned latest base image, a secret in an ARG, no non root user, apt get install without…
Dockerfile Lint Gate: hadolint, .dockerignore and Project Rules in One CI Check
A script that fails a pipeline when a Dockerfile or its build context breaks the rules, using hadolint from its container plus checks hadolint does not make (.dockerignore, a non-root USER, HEALTHCHECK, sudo), with a measured example of what a missing .dockerignore costs.
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