name: nightly
on:
  schedule:
    - cron:  '0 0 * * *'
  workflow_dispatch:

env:
  REPOSITORY: ${{ github.repository }}

permissions:
  contents: read # for actions/checkout to fetch code

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Setup QEMU
        uses: docker/setup-qemu-action@v2
        with:
          platforms: all
      - name: Setup Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v2
        with:
          buildkitd-flags: "--debug"
      - name: Build multi-arch container image
        uses: docker/build-push-action@v3
        with:
          push: false
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm/v7,linux/arm64
          tags: |
            ${{ env.REPOSITORY }}:nightly