---
name: cleanup

on:
  schedule:
    - cron: '0 0 15 * *'

env:
  IMAGE_NAME: ${{ github.actor }}/docker-crontab

jobs:
  cleanup-docker-crontab:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

    steps:
      - name: Delete Docker images older than a month.
        uses: snok/container-retention-policy@v2
        with:
          account-type: personal
          cut-off: One month ago UTC
          keep-at-least: 4
          skip-tags: latest
          image-names: ${{ env.IMAGE_NAME }}
          token: ${{ secrets.GHCR_TOKEN }}