ci: Add native arm64 Docker builds to release workflow#1165
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Replace the single amd64 build job with a matrix strategy that runs native builds on GitHub-hosted runners for each architecture (ubuntu-24.04 for amd64, ubuntu-24.04-arm for arm64). A separate manifest job merges the per-arch images into multi-arch tags via docker buildx imagetools create. Both the default and no-tls image variants are built for each architecture, producing four parallel build jobs. Cache keys are scoped per-arch and per-variant to prevent collisions. The Dockerfile requires no changes. All base images and build dependencies are available for both architectures. Tested at ghcr.io/nmarley/zaino:0.3.1-rc.1 with successful native builds and verified multi-arch manifests for both linux/amd64 and linux/arm64.
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Sorry for the review delay, could you make this a draft, look into the conflicts and mark this review ready once that's clear? |
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Fixes #1164
Replace the single amd64 build job with a matrix strategy that runs native
builds on GitHub-hosted runners for each architecture (ubuntu-24.04 for amd64,
ubuntu-24.04-arm for arm64). A separate manifest job merges the per-arch images
into multi-arch tags via
docker buildx imagetools create.Both the default and no-tls image variants are built for each architecture,
producing four parallel build jobs. Cache keys are scoped per-arch and
per-variant to prevent collisions.
The Dockerfile requires no changes. All base images and build dependencies are
available for both architectures.
Tested at ghcr.io/nmarley/zaino:0.3.1-rc.1 with successful native builds
and verified multi-arch manifests for both linux/amd64 and linux/arm64.