does gha cache work without using the official action?

[dudicoco]

When I try to use the following within GH actions, the cache is not getting exported:

    - name: Docker Build
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: docker buildx build --load --cache-from=type=gha --cache-to=type=gha,mode=max .

However, when using the official action the cache does get exported:

    - name: Docker Build
      uses: docker/build-push-action@v2
      with:
        context: .
        load: true
        cache-from: type=gha
        cache-to: type=gha,mode=max

Is gha cache only supported via the official Docker GH action?

[crazy-max]

@dudicoco

Is gha cache only supported via the official Docker GH action?

You can use GHA cache backend without the official action, see https://github.com/moby/buildkit#github-actions-cache-experimental.

    - name: Expose GitHub Runtime
      uses: crazy-max/ghaction-github-runtime@v1
    - name: Docker Build
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: docker buildx build --load --cache-from=type=gha --cache-to=type=gha,mode=max .

[dudicoco]

Thanks @crazy-max!