name: Docker

on:
  push:
    branches: [main]
    paths:
      - "src/**"
      - "alembic/**"
      - "alembic.ini"
      - ".python-version"
      - "pyproject.toml"
      - "Dockerfile"
      - "docker-compose.yml"
      - ".github/workflows/docker.yml"
    tags:
      - "v*"

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

jobs:
  build:
    name: Build Docker Image
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - uses: actions/checkout@v6

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Log in to Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: Dockerfile
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            BUILD_VERSION=${{ github.ref_name }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Test Docker image
        if: github.event_name == 'pull_request'
        run: |
          docker build -t meshcore-hub-test --build-arg BUILD_VERSION=${{ github.ref_name }} -f Dockerfile .
          docker run --rm meshcore-hub-test --version
          docker run --rm meshcore-hub-test --help