publish.yml

name: Publish

on:
  push:
    # branches:
    #   - "main"
    # paths:
    #   - "images/**/*"
  # add workflow dispatch to manually publish the current images
  workflow_dispatch:

concurrency:
  # Cancel in-progress jobs if a new job is trigged by a commit from the same branch
  # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#concurrency
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  collect:
    name: Collect images from directories
    runs-on: ubuntu-latest
    outputs:
      IMAGES: ${{ steps.images.outputs.directories }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Collect images from directories
        id: images
        run: |
          sudo apt update && sudo apt install -y tree jq
          cd images
          echo "directories=$(tree -J -d -L 1 | jq -c '.[0].contents | map(.name)')" >> $GITHUB_OUTPUT

  publish:
    name: Publish images
    runs-on: ubuntu-latest
    needs: [collect]

    strategy:
      fail-fast: false
      matrix:
        image: ${{ fromJson(needs.collect.outputs.IMAGES) }}
        platform:
          - linux/amd64
          - linux/arm64

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          persist-credentials: false