roboluke-tasks/.github/workflows/docker_publish.yml

name: Publish Docker Image

on:
  workflow_call:
    inputs:
      release:
        required: true
        type: string

jobs:
  publish:
    name: Publish Docker image
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
      attestations: write
      id-token: write
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.release }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@a64d0487d7069df33b279515d35d60fa80e2ea62
        with:
          images: |
            ghcr.io/${{ github.repository }}
          tags: |
            type=semver,pattern=v{{version}},value=${{ inputs.release }}

      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
        with:
          context: .
          push: true
          # provenance: mode=max
          labels: ${{ steps.meta.outputs.labels }}
          tags: |
            ghcr.io/${{ github.repository }}:latest
            ghcr.io/${{ github.repository }}:${{ inputs.release }}

      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: ghcr.io/${{ github.repository }}
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true