Cant use github secret as docker secret?

[Sahar23391]

Issue: Docker secret with GitHub secret not being passed to build process

Description

I'm trying to use a GitHub secret as a Docker secret to pass my token to the Docker build process. However, I'm getting an error that the secret is invalid, and it appears the --secret flag isn't being sent to the Docker build command.

Current Configuration

I'm using the docker/build-push-action to build my Docker image and attempting to pass a secret from GitHub secrets to the Docker build process.

My workflow configuration looks something like:

- name: Build and push
  uses: docker/build-push-action@v6
  with:
    context: .
    push: true
    tags: ${{ env.IMAGE_NAME }}
    secrets: |
      MYSECRET=${{ secrets.DEVOPS_PAT}}

Error

When the build runs, I receive an error indicating that the secret is invalid. Additionally, when examining the build logs, I don't see the --secret flag being passed to the Docker build command.

Expected Behavior

The GitHub secret should be properly passed as a Docker secret to the build process, and the --secret flag should be included in the Docker build command.

Additional Information

• I've verified that the GitHub secret is correctly stored and accessible to the workflow, also has expiration date.
• The Dockerfile does attempt to use the secret with the expected syntax.

Questions

1. Is there a specific format or configuration needed to ensure the --secret flag is passed to the Docker build command?
2. Are there known limitations when passing GitHub secrets to Docker builds?

Any help troubleshooting this issue would be greatly appreciated!