controller-images.yaml

name: Build

on:
  push:
    tags:
      - 'v*'
    branches: [ main ]

jobs:

  build-images:
    name: Build Docker Images
    runs-on: ubuntu-latest
    steps:
      # Check out code
      - name: Checkout
        uses: actions/checkout@v2

      # Determine tag we will use for images
      - name: Get image version
        shell: bash
        run: |
          echo ::set-output name=tag::$([[ "${GITHUB_REF##*/}" == "main" ]] && echo latest || echo ${GITHUB_REF##*/})
        id: version

      # Setup QEMU
      - name: Setup QEMU
        uses: docker/setup-qemu-action@v2
        with:
          platforms: all

      # Set up a buildx runner
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          buildkitd-flags: "--debug"

      # Login to the container registry
      - name: Login to Container Registry
        run: echo ${{ secrets.GHCR_TOKEN }} | docker login ghcr.io -u $GITHUB_ACTOR --password-stdin
        if: ${{ github.event_name != 'pull_request' }}

      # Build and push the image
      - name: Build and Push Controller Image
        uses: docker/build-push-action@v2
        with:
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          builder: ${{ steps.buildx.outputs.name }}
          push: ${{ github.event_name != 'pull_request' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v')) }}
          tags: ghcr.io/pelotech/jsonnet-controller:${{ steps.version.outputs.tag }}