name: Build docker image
inputs:
  tag:
    description: 'Docker image tag'
    required: true

outputs:
  image_url:
    description: 'Full image URL that was built'
    value: ${{ steps.build.outputs.image_url }}

jobs:
  build_docker:
    runs-on: ubuntu-latest
    steps:
      - name: Set up Docker Build
        uses: docker/setup-buildx-action@v3

      - name: Log in to registry
        uses: docker/login-action@v3
        with:
          registry: ${{ vars.INSTANCE_URL }}
          username: ${{ github.actor }}
          password: ${{ secrets.REGISTRY_ACCESS_TOKEN }}

      - name: Build and push image
        uses: docker/build-push-action@v6
        with:
          push: true
          tags: ${{ vars.INSTANCE_URL }}/tech-reborn/phoenix:${{ inputs.tag }}

      - name: Set output
        shell: bash
        run: |
          echo "image_url=${{ vars.INSTANCE_URL }}/tech-reborn/phoenix:${{ inputs.tag }}" >> $GITHUB_OUTPUT