Upload to transparency log: enabled
Using Sigstore signing endpoint: https://fulcio.sigstore.dev/
Error: Signing BuildKit attestation manifests failed: ERROR: httpReadSeeker: failed open: content at https://public.ecr.aws/v2/q3b5f1u4/test-docker-action/manifests/sha256:76bc7984bdcf00ef5af953b7cb3de57ef39101cc091f4913c738b16cfbd26e53 not found: not found
It seems to happen only with AWS ECR so maybe something racy on their registry.
When using
imagetools inspectright after the image has been built, sometimes the manifest cannot be found: https://github.com/docker/github-builder-experimental/actions/runs/19393242225/job/55489688577#step:12:70It seems to happen only with AWS ECR so maybe something racy on their registry.
I will add more debug in our actions-toolkit: https://github.com/docker/actions-toolkit/blob/bb9028cd44bba32a70273d625d310a8deaa37072/src/buildx/imagetools.ts#L65