docker-docr-cleanup.yml

name: CD - Docker - DOCR Cleanup Container Images
on:
  workflow_dispatch:
  schedule:
    - cron: '5 0 * * 3,6' # 12:05 UTC on Wednesdays and Saturdays (6 hour maintenance window)

jobs:
  remove:
    name: Delete Old Images
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        repos:
          - learn-api
        variants:
          - dev
          - org

    steps:
      - name: Install doctl
        uses: digitalocean/action-doctl@135ac0aa0eed4437d547c6f12c364d3006b42824 # v2
        with:
          token: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}

      - name: Log in to DigitalOcean Container Registry with short-lived credentials
        run: doctl registry login --expiry-seconds 1200

      - name: Delete Images
        uses: raisedadead/action-docr-cleanup@1c7d87369bccfdf5da03a9ae3b00eacc3f2a9b51 # v1
        with:
          repository_name: '${{ matrix.variants }}/${{ matrix.repos }}'
          days: '7'
          keep_last: '3'

  # NOTE: We don't need to trigger garbage collection because we have a cron job that runs on news repo, which
  #       triggers garbage collection. This can be uncommented should a need arise.

  # clean:
  #   name: Do Garbage Collection
  #   runs-on: ubuntu-latest
  #   needs: remove
  #   steps:
  #     - name: Install doctl
  #       uses: digitalocean/action-doctl@v2
  #       with:
  #         token: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}

  #     - name: Log in to DigitalOcean Container Registry with short-lived credentials
  #       run: doctl registry login --expiry-seconds 1200

  #     - name: Trigger Garbage collection
  #       run: doctl registry garbage-collection start --include-untagged-manifests --force