docker.yaml

name: Publish Docker Images

on:
  pull_request:

  push:
    branches:
      - main
    tags:
      - "v*.*.*"

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

jobs:
  push_to_registry:
    name: Push Container Image to GHCR
    runs-on: ubuntu-latest

    strategy:
      matrix:
        image:
          - www

    permissions:
      contents: read
      packages: write

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

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

      - name: Check out the repo
        uses: actions/checkout@v6

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Get Python Version from File
        id: python_version
        run: echo "version=$(cat .python-version)" >> $GITHUB_OUTPUT

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

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          file: dockerfile.${{ matrix.image }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          build-args: |
            PYTHON_VERSION=${{ steps.python_version.outputs.version }}