docker-publish.yml

name: Build and Publish Docker Image

on:
  push:
    branches:
      - main  # Trigger the workflow on pushes to the main branch

jobs:
  build-and-push:
    permissions:
      contents: read
      packages: write
      id-token: write  # Required for GitHub Actions cache
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4.1.0
        with:
          fetch-depth: 2

      - name: Log in to the Container registry
        uses: docker/login-action@v2.2.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

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

      - name: Extract version from project.toml
        id: extract_version
        run: |
          VERSION=$(grep '^version' pyproject.toml | sed -E 's/version *= *"([0-9.]+)"/\1/')
          echo "version=$VERSION" >> $GITHUB_ENV

      - name: Build and push Docker image (latest and version tags)
        uses: docker/build-push-action@v5.0.0
        with:
          context: .
          file: Dockerfile
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:latest
            ghcr.io/${{ github.repository }}:${{ env.version }}
          labels: |
            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
          cache-from: type=gha
          cache-to: type=gha,mode=max