feat(ci): attest build provenance#161
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Add GitHub native build-provenance attestation to the GHCR publish workflow. The verisimdb-api image is built and pushed with Podman; the pushed manifest digest is captured via 'podman push --digestfile' and bound to the attestation via actions/attest-build-provenance. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Estate attestation rollout
Adds GitHub native build-provenance attestation to
.github/workflows/ghcr-publish.yml.Push mechanism: Podman (
podman build+podman pushto ghcr.io), imageghcr.io/hyperpolymath/verisimdb-api.How the digest is obtained: the SHA-tagged GHCR push now runs with
podman push --digestfile=/tmp/ghcr-digest, which writes the realsha256:...digest of the pushed manifest. That value is exported as thepushstep output and fed to the attestation assubject-digest.Changes:
permissionsblock withid-token: write+attestations: write(plus the existingcontents: read,packages: write).--digestfile.actions/attest-build-provenance@e8998f94…(v2, pinned) step withpush-to-registry: true, gated on the same non-PR condition as the push.Verify with:
🤖 Generated with Claude Code