The preview ships checksums and an SPDX SBOM, but image signatures and build provenance are not yet documented.
Acceptance criteria:
- sign release-tagged GHCR images
- publish provenance from GitHub Actions
- document verification commands
- fail the release job if signing or provenance publication fails
The preview ships checksums and an SPDX SBOM, but image signatures and build provenance are not yet documented.
Acceptance criteria: