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Docker image tweaks #230

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Docker image tweaks #230

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42b42c6
remove b2.tar from final docker image
mjurbanski-reef Nov 25, 2023
845c1e4
use alpine for official docker image
mjurbanski-reef Nov 25, 2023
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6 changes: 3 additions & 3 deletions Dockerfile.template
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
FROM python:${python_version}-slim as base
FROM python:${python_version}-alpine as base
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suprisingly enough, alpine switch "just works"; seems all binary dependencies do have musl wheel

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suprisingly enough, alpine switch "just works"; seems all binary dependencies do have musl wheel

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using builder stage did not help save any disk space and was troublesome to get working - you have to be really careful what you want to copy, which makes Dockerfile significantly more complex.

We probably could do our custom python-base imagine, but I don't see that paying off as we don't even know how many MBs we can save that way.
If we ever start using standalone binary in these images instead, we are likely to see better results than optimizing python install.

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ok but the builder stage wasn't there when you started working on the thing, right?

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there was no builder stage


LABEL vendor=${vendor}
LABEL name="${name}"
Expand All @@ -11,8 +11,8 @@ LABEL build-date-iso8601="${build_date}"

WORKDIR /root

COPY ${tar_path}/${tar_name} .
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~170kB; but perhaps more imortant it looked weird to just have that tar left in there

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~170kB; but perhaps more imortant it looked weird to just have that tar left in there

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~170kB; but perhaps more imortant it looked weird to just have that tar left in there

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~170kB; but perhaps more imortant it looked weird to just have that tar left in there

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~170kB; but perhaps more imortant it looked weird to just have that tar left in there

RUN ["pip", "install", "${tar_name}[full]"]
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--no-cache-dir saves ~6MB

RUN --mount=type=bind,source=${tar_path}/${tar_name},target=/tmp/${tar_name} \
pip install --no-cache-dir /tmp/${tar_name}[full]

ENTRYPOINT ["b2"]
CMD ["--help"]
1 change: 1 addition & 0 deletions changelog.d/+docker_optimization.changed.md
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Reduce docker image size, from 170MB to 87MB by using alpine and other build optimizations
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