cd.yml

name: cd

on:
  push:
    branches: [main]
  schedule:
    - cron: "43 1 * * SUN" # every Sunday at 1:43 AM UTC
  workflow_dispatch:

env:
  IMAGE_NAME: network-tools

jobs:
  publish:
    runs-on: ubuntu-latest
    if: ${{ github.event_name != 'pull_request' }}

    permissions:
      packages: write
      contents: read

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Lint Dockerfile
        run: make lint

      - name: Extract metadata for images
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
            ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          # manually handle the 'latest' tag
          flavor: |
            latest=false
          tags: |
            type=raw,value=latest
          labels: |
            org.opencontainers.image.licenses=MIT

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and push images
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

  prune:
    needs: publish
    runs-on: ubuntu-latest
    if: ${{ github.event_name != 'pull_request' }}

    permissions:
      packages: write
      contents: read

    env:
      GHCR_TOKEN: ${{ secrets.GHCR_TOKEN }}

    steps:
      - name: Checkout Git repository
        uses: actions/checkout@v4

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.8"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install --requirement .github/scripts/ghcr/prune/requirements.txt

      - name: Prune all untagged images
        run: python .github/scripts/ghcr/prune/prune.py --container ${{ env.IMAGE_NAME }} --prune-all-untagged --verbose