Attest images pushed by CI - #977
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leighmcculloch
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August 26, 2026 13:12
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Pull request overview
Adds provenance attestations for container images published from main and documents verification.
Changes:
- Grants required attestation and OIDC permissions.
- Attests architecture-specific and multi-platform image digests.
- Documents verification with the GitHub CLI.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
README.md |
Documents image attestation verification. |
.github/workflows/internal-push.yml |
Generates provenance attestations after image pushes. |
.github/workflows/ci.yml |
Grants permissions to the reusable push workflow. |
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What
Attest every image pushed from main with
actions/attest-build-provenance, and document verifying an image withgh attestation verifyin the README.Why
Images published by this repo had no way to be verified or linked back to the code that built them.
Close #648