name: CI for docker images

# Only run when docker paths change
on:
  push:
    branches: [dev, beta, release]
    paths:
      - 'docker/**'
      - '.github/workflows/**'

  pull_request:
    paths:
      - 'docker/**'
      - '.github/workflows/**'

jobs:
  check-docker:
    name: Build docker containers
    runs-on: ubuntu-latest
    strategy:
      matrix:
        arch: [amd64, armv7, aarch64]
        build_type: ["ha-addon", "docker", "lint"]
    steps:
    - uses: actions/checkout@v2
    - name: Set up Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.9'
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v1
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v1

    - name: Set TAG
      run: |
        echo "TAG=check" >> $GITHUB_ENV

    - name: Run build
      run: |
        docker/build.py \
          --tag "${TAG}" \
          --arch "${{ matrix.arch }}" \
          --build-type "${{ matrix.build_type }}" \
          build