troubleshooting
How can I lint a Dockerfile to improve its quality and professionalism?
I received feedback to lint my Dockerfile for better quality and professionalism. How can I achieve this?
Ri
Rick Otten
Asked on Sep 15, 2023
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Use a linter tool like Hadolint to analyze and improve the Dockerfile.
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Address the warnings and info messages provided by the linter tool.
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Pin versions in apt-get install commands.
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Delete the apt-get lists after installing something.
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Avoid additional packages by specifying
--no-install-recommends
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Set the SHELL option -o pipefail before RUN with a pipe in it.
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Use WORKDIR to switch to a directory.
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Avoid brace expansion in POSIX sh.
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Make necessary changes based on the linting recommendations to enhance the Dockerfile quality and professionalism.
Sep 21, 2023Edited by