Revamp Dockerfile#183
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demenech merged 3 commits intofeat/dockerhub-deprecation-warningfrom Jan 8, 2025
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Using a couple best practices for saving space and build cache optimizations to get better build times and much smaller final image. Notably: - Python packages are now kept in a virtual environment, which is fully prepared in the builder stage, later simply copied to the same path of the final image - Any python cache .pyc files are not part of the final image - Git binary needed to automatically determine the package version is not part of the final image - Many auxiliary project source files (incl. the local .git dir(!)) are also omitted from the final image - Use RUN --mount instead of COPY where the files are needed only for the command - Keep various COPY operations to the end of a stage not to invalidate semantically unrelated cached layers - Remove deprecated (and misplaced) MAINTAINER directive in favor of a particular "authors" LABEL
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Let's go ahead and merge this, but I think ultimately I'd prefer to use |
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Hello folks,⚠️ this PR actually targets the original PR branch).
Being under a bit of time pressure, I wanted to get this done ASAP, which turned out to be before you got to review the PR #181 (so the change is built upon it and
I said I don't want to work on these improvements before that PR is resolved, but then again, I felt there's so much to improve - and indeed, I manged to shrink the new image size to a half of the original - that I wouldn't want to hold this effort any longer.
All the Dockerfile changes are in fact rather cosmetic and don't change any ARGs (only sorts them to the start of a stage). Same with ENTRYPOINT and CMD directives, which remain the same.
See the commit messages for details. Thank you!