name: Publish Docker image
on:
  push:
    branches: [ main ]
jobs:
  push_to_docker_hub:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
      - name: Log in to Docker Hub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      - name: Push to Docker Hub
        uses: docker/build-push-action@v2
        with:
          push: true
          platforms: linux/amd64,linux/386,linux/arm64,linux/arm/v7
          tags: ${{ secrets.DOCKER_USERNAME }}/slashbot:latest
          cache-from: type=gha,scope=docker-release
          cache-to: type=gha,scope=docker-release,mode=max