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ci: keep the release image a single manifest #44

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Merged
jaanisoe merged 1 commit into from
Oct 9, 2026
Merged

ci: keep the release image a single manifest #44

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5 changes: 5 additions & 0 deletions .github/workflows/release.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -588,7 +588,12 @@ jobs:
# byte-identical embedded binary (SHA256SUMS) and the SLSA attestation binding
# this exact digest (`gh attestation verify`), not image-digest rebuild.
created="$(git log -1 --format=%cI)"
# No BuildKit provenance: on a Docker with the containerd image store (the default
# since 29) buildx would otherwise push an OCI index with an extra `unknown/unknown`
# manifest describing only the copy of the prebuilt binary. The provenance is the
# GitHub attestation below; this keeps the image one `linux/amd64` manifest.
docker buildx build --push \
--provenance=false \
--build-arg BIN_SOURCE=prebuilt \
"${tags[@]}" \
--label "org.opencontainers.image.source=${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}" \
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