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build/bake: support configurable image layer compression - #339

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crazy-max:output-compression
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crazy-max:output-compression

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@crazy-max crazy-max commented Nov 5, 2026 •

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fixes #207
closes #333

Add compression, compression-level, and force-compression inputs to both workflows so callers can configure image layer compression, including recompressing existing base image layers with zstd. Omitted settings preserve BuildKit's defaults. Compression settings apply only to image output and are ignored with a warning for local output.

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crazy-max requested a review from tonistiigi November 5, 2026 14:16
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crazy-max marked this pull request as ready for review November 5, 2026 14:17
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crazy-max requested a review from a team as a code owner November 5, 2026 14:17
Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

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Add support for compression settings in bake action

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