tests.yml

name: Tests

on:
  pull_request:
    branches:
      - master
      - main

jobs:
  buildx:
    name: Test image build
    runs-on: ubuntu-latest
    strategy:
      matrix:
        docker-platform:
          - linux/amd64
          - linux/arm64
          - linux/arm/v6
          - linux/arm/v7
          - linux/i386
    steps:
      # Check out our code
      - name: Checkout
        uses: actions/checkout@v4.2.0

      # Hit an issue where arm builds would fail with cURL errors regarding intermediary certificates when downloading from github (ie: deploy-s6-overlay).
      # After many hours of troubleshooting, the workaround is to pre-load the image's rootfs with the CA certificates from the runner.
      # This problem may go away in future.
      - name: Copy CA Certificates from GitHub Runner to Image rootfs
        run: |
          ls -la /etc/ssl/certs/
          mkdir -p ./rootfs/etc/ssl/certs
          mkdir -p ./rootfs/usr/share/ca-certificates/mozilla
          cp --no-dereference /etc/ssl/certs/*.crt ./rootfs/etc/ssl/certs
          cp --no-dereference /etc/ssl/certs/*.pem ./rootfs/etc/ssl/certs
          cp --no-dereference /usr/share/ca-certificates/mozilla/*.crt ./rootfs/usr/share/ca-certificates/mozilla

      # Set up QEMU for multi-arch builds
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3.2.0

      # Set up buildx for multi platform builds
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v3.7.1

      # Test container build for all supported platforms (defined above)
      - name: Test Build ${{ matrix.docker-platform }}
        uses: docker/build-push-action@v6.8.0
        with:
          context: .
          file: ./Dockerfile
          no-cache: true
          platforms: ${{ matrix.docker-platform }}
          push: false