cleanup.yml

name: Delete Untagged GHCR Containers

on:
  schedule:
    # Runs at 00:00 UTC every day
    - cron: '0 0 * * *'

jobs:
  cleanup-untagged-containers:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
    - name: Checkout code
      uses: actions/checkout@v2

    - name: Authenticate with GitHub Container Registry
      run: echo "${{ secrets.GITHUB_TOKEN }}" | gh auth login --with-token

    - name: List and Delete Untagged Containers
      env:
        GHCR_PACKAGE_NAME: devx-devcontainer
        OWNER: input-output-hk
      run: |
        untagged_images=$(gh api -X GET /user/packages/container/$GHCR_PACKAGE_NAME/versions --paginate --jq '.[] | select(.metadata.container.tags | length == 0) | .id')
        for image_id in $untagged_images; do
          echo "Deleting untagged container image with ID: $image_id"
          gh api -X DELETE /user/packages/container/$GHCR_PACKAGE_NAME/versions/$image_id
        done