prune-container-images.yml

name: 'Prune container images'

on:
  schedule:
    - cron: '0 12 * * 1'
  workflow_dispatch:

jobs:
  container-image:
    if: github.repository_owner == 'opentripplanner'
    runs-on: ubuntu-latest
    steps:
      - name: Delete unused container images
        env:
          CONTAINER_REPO: opentripplanner/opentripplanner
          CONTAINER_REGISTRY_USER: otpbot
          CONTAINER_REGISTRY_PASSWORD: ${{ secrets.DOCKERHUB_PASSWORD }}
        run: |
          # remove all snapshot container images that have not been pulled for over a year
          # --keep-semver makes sure that any image with a x.y.z version scheme is unaffected by this
          pip install prune-container-repo==0.0.4
          prune-container-repo -u ${CONTAINER_REGISTRY_USER} -r ${CONTAINER_REPO} --days=365 --keep-semver --activate