name: build-image

on:
  push:
    branches:
      - "image-buildx"

jobs:
  buildx:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: true

      - uses: docker/setup-qemu-action@v1
      - uses: docker/setup-buildx-action@v1
        with:
          driver-opts: network=host

      - id: prepare
        name: Build binaries && Prepare
        env:
          GITHUB_REF: ${{ github.sha }}
          GITHUB_SHA: ${{ github.ref }}
          TARGET_PLATFORMS: linux/amd64,linux/arm64
        run: |-
          export TAG=${GITHUB_SHA::7}

          if [[ ${{ github.ref }} == "refs/tags/v"* ]]; then
            TAG=$(echo ${{ github.ref }} | sed -e "s/refs\/tags\///")
          fi

          echo ::set-output name=target_platforms::${TARGET_PLATFORMS}
          echo ::set-output name=tag::${TAG}

      - uses: docker/login-action@v1
        name: Login docker.io
        with:
          password: ${{ secrets.DOCKER_PASSWORD }}
          registry: docker.io
          username: ${{ secrets.DOCKER_USERNAME }}

      - uses: docker/build-push-action@v2
        name: Build image && May Push
        with:
          file: Dockerfile.docker-buildx
          context: .
          labels: |-
            org.opencontainers.image.source=https://github.com/${{ github.repository }}
            org.opencontainers.image.revision=${{ github.sha }}
          platforms: ${{ steps.prepare.outputs.target_platforms }}
          push: ${{ github.event_name != 'pull_request' }}
          tags: |
            docker.io/${{ github.repository }}:${{ steps.prepare.outputs.tag }}