name: Build docker s6-overlay rootfs image

on:
  push:
    branches: master

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      -
        name: checkout code
        uses: actions/checkout@v3
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
        with:
          config-inline: |
            [worker.oci]
              max-parallelism = 16
      -
        name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      -
        name: Build and push
        uses: docker/bake-action@v2.2.0
        with:
          files: build/docker-bake.hcl
          push: true
          set: |
            *.cache-from=type=gha
            *.cache-to=type=gha,mode=max