name: Build and publish a Docker image for master branch
on:
    push:
        branches:
            - master
jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
        with:
            platforms: 'arm64,arm'

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v2
        with:
          platforms: linux/arm64,linux/amd64,linux/arm/v7

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: .
          platforms: ${{ steps.buildx.outputs.platforms }}
          push: true
          tags: ${{ github.repository }}:latest