authentication token scopes support #73
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crazy-max
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Jan 8, 2026
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| - | ||
| name: Login to registry for signing | ||
| if: ${{ needs.prepare.outputs.sign == 'true' && inputs.output == 'image' }} | ||
| uses: docker/login-action@scope # TODO: pin to a specific version when scope feature is supported | ||
| with: | ||
| registry-auth: ${{ secrets.registry-auths }} | ||
| env: | ||
| DOCKER_LOGIN_SCOPE_DISABLED: true # make sure the scope feature is disabled to avoid interfering with cosign OIDC login |
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@tonistiigi Needs extra login without scope after build so cosign can use auth from vanilla docker config when signing attestation manifests, otherwise it fails with: https://github.com/docker/github-builder-experimental/actions/runs/20814314320/job/59786046485#step:12:96
Error: Signing BuildKit attestation manifests failed: Cosign sign command failed with errors:
- [UNAUTHORIZED] authentication required : [object Object],[object Object]
Fyi cosign is using google/go-containerregistry to get auth: https://github.com/google/go-containerregistry/blob/e075f209120b2467fd1b7d24727f1890a0edb74a/pkg/authn/keychain.go#L87
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Signed-off-by: CrazyMax <[email protected]>
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@tonistiigi Ready for review after releasing https://github.com/docker/login-action/releases/tag/v3.7.0 |
tonistiigi
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Jan 28, 2026
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follow-up:
Tested in https://github.com/docker/github-builder-experimental/actions/runs/20819183390/job/59802724934