delete_PR_images.yml

name: Remove obsolete PR images from registry

on:
  pull_request:
    types: [closed]

env:
  PACKAGE_NAME: docker-event-monitor

jobs:
  Delete_PR_image:
    if: |
      github.event_name == 'pull_request'
      && github.event.pull_request.head.repo.full_name == github.repository
    runs-on: ubuntu-latest
    permissions:
      packages: write
    steps:
      - name: Get image ID of PR
        id: version
        run: |
          curl -sSL \
          -H "Accept: application/vnd.github+json" \
          -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
          -H "X-GitHub-Api-Version: 2022-11-28" \
          https://api.github.com/users/${{ github.repository_owner }}/packages/container/${{ env.PACKAGE_NAME }}/versions >> containerMeta.json ;
          echo "VERSION_ID=$(jq -r '.[] | select(.metadata.container.tags[] == "pr-${{ github.event.pull_request.number }}").id' containerMeta.json)" >> "$GITHUB_ENV" ;

      - name: Delete PR image
        uses: actions/delete-package-versions@v5.0.0
        if: ${{ env.VERSION_ID != '' }}
        with:
          package-version-ids: ${{ env.VERSION_ID }}
          package-type: container
          package-name: ${{ env.PACKAGE_NAME }}