name: Docker Image CI

on:
  push:
    branches: [master]
  pull_request:
    branches: [master]

jobs:
  buildx:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
      - name: Available platforms
        run: echo ${{ steps.buildx.outputs.platforms }}