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Multi-stage build compiles the release binary on rust:1-slim-bookworm and ships it on debian:bookworm-slim as a non-root user, keeping the final image small. Document stdin-pipe and volume-mount usage in the README.
zestyoreo
marked this pull request as draft
September 17, 2026 12:24
Ship an additional musl-based image on alpine:3 alongside the existing Debian variant, cutting image size from ~140MB to ~19MB. Document both options in the README.
zestyoreo
changed the title
zestyoreo
marked this pull request as ready for review
September 17, 2026 12:34
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Summary
Dockerfile: multi-stage build, compiles the release binary onrust:1-slim-bookwormand ships it ondebian:bookworm-slimas a non-root user (~140MB image)Dockerfile.alpine: musl-based multi-stage build onrust:1-alpine, ships onalpine:3as a non-root user (~19MB image).dockerignoreto keep the build context small (excludestarget/,web/,assets/,.git, etc.)Closes #15
Test plan
docker build -t ctrlb-decompose .builds successfullydocker build -f Dockerfile.alpine -t ctrlb-decompose .builds successfullybenches/must be copied into the build stage sinceCargo.tomldeclares a[[bench]]target that Cargo validates at manifest-parse time, even when only building--bin