docker-cleanup.yml

name: Docker Cleanup

on:
  pull_request:
    types: [closed]

jobs:
  cleanup:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v7
        with:
          script: |
            const issue_number = context.payload.pull_request?.number;
            const package_version_id = `pr-${issue_number}`;
            const images = [
              `haddock3-webapp`,
              `bartender`,
              `certmaker`
            ];
            let message = 'Please delete the images belonging to this Pull Request as they are no longer useful.\n\n';
            for (const image of images) {
              message += `- [ghcr.io/i-vresse/${image}](https://github.com/i-VRESSE/haddock3-webapp/pkgs/container/${image}/versions)\n`;
            }
            message += `\nGoto versions page of each image, find version called ${package_version_id}, filter on tagged versions by clicking "N tagged" button in table header, click on **...** button and select **Delete version**.\n`;
            await github.rest.issues.createComment({
              issue_number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: message
            });