reusable-docker.yml

# Builds the batchee Docker image on PRs and pushes.
name: Reusable docker workflow

on:
  workflow_call:
    inputs:
      push:
        type: boolean
        required: false
        default: false

env:
  PYTHON_VERSION: "3.12"
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  docker:
    runs-on: ubuntu-latest

    steps:
      - name: Retrieve repository
        uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Set up uv
        uses: astral-sh/setup-uv@v7
        with:
          python-version: ${{ env.PYTHON_VERSION }}

      - name: Determine version
        id: version
        run: |
          SERVICE_VERSION="$(uv tool run hatch version)"
          if [[ "${SERVICE_VERSION}" =~ rc[0-9]+$ ]]; then
            target_env=uat
          else
            target_env=ops
          fi
          echo "service_version=${SERVICE_VERSION}" >> "$GITHUB_OUTPUT"
          echo "target_env=$target_env" >> "$GITHUB_OUTPUT"

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=${{ steps.version.outputs.service_version }}
            type=raw,value=${{ steps.version.outputs.target_env }}
            type=raw,value=latest,enable=${{ steps.version.outputs.target_env == 'ops' }}

      - name: Log in to the Container registry
        if: ${{ inputs.push }}
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Build and push Docker image
        uses: docker/build-push-action@v7
        with:
          context: .
          file: Dockerfile
          build-args: |
            SERVICE_VERSION=${{ steps.version.outputs.service_version }}
          push: ${{ inputs.push }}
          pull: true
          platforms: linux/amd64
          provenance: false
          sbom: false
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,scope=${{ (github.head_ref || github.ref_name) }}
          cache-to: type=gha,mode=max,scope=${{ (github.head_ref || github.ref_name) }}