build.yml

name: Build

on:
  push:
    tags:
      - v*.*.*
  schedule:
    - cron: '0 16 1,15 * *'
  workflow_dispatch:

jobs:
  docker:
    runs-on: ubuntu-latest
    permissions:
      packages: write

    strategy:
      fail-fast: false
      matrix:
        platform: ['multi', 'amd64']
        include:
          # arg for `--platform`
          - platform: 'multi'
            platforms: ${{ vars.DOCKER_ALL_PLATFORMS }}

          # image list
          - platform: 'multi'
            image: 'debian'
            tag: 'sid'
          - platform: 'amd64'
            image: 'archlinux'
            tag: 'base'

          # define latest tags for images
          - platform: 'multi'
            image: 'debian'
            latest: 'bookworm'
          - platform: 'amd64'
            image: 'archlinux'
            latest: 'base'

    steps:
      - name: Checkout
        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

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: ${{ matrix.platform }}/${{ matrix.image }}/${{ matrix.tag }}/
          platforms: ${{ matrix.platforms }}
          push: true
          tags: |
            ${{ vars.DOCKERHUB_USERNAME }}/${{ matrix.image }}:${{ matrix.tag }}
            ${{ (matrix.tag == matrix.latest) && format('{0}/{1}:latest', vars.DOCKERHUB_USERNAME, matrix.image) || '' }}
            ghcr.io/${{ github.repository_owner }}/${{ matrix.image }}:${{ matrix.tag }}
            ${{ (matrix.tag == matrix.latest) && format('ghcr.io/{0}/{1}:latest', github.repository_owner, matrix.image) || '' }}