container-retention-policy.yaml

name: Delete old container images

on:
  schedule:
    - cron: "0 0 1 * *"  # every day at midnight


jobs:
  clean-ghcr:
    name: Delete old unused container images
    runs-on: ubuntu-latest
    steps:
      - name: Delete 'dev' containers older than a week
        uses: snok/container-retention-policy@v2
        with:
          image-names: "*"
          cut-off: A week ago UTC
          account-type: org
          org-name: acdh-oeaw
          keep-at-least: 1
          untagged-only: true
          token: ${{ secrets.PAT }}

      - name: Delete all test containers older than a month, using a wildcard
        uses: snok/container-retention-policy@v2
        with:
          image-names: "*"
          cut-off: One month ago UTC
          account-type: org
          org-name: acdh-oeaw
          keep-at-least: 1
          skip-tags: latest
          token: ${{ secrets.PAT }}