message: docker system prune
diff: @@ -19,7 +19,7 @@ docker push:
  script:
  - echo "$REGISTRY_PASSWORD" | docker login -u xacc --password-stdin
  - docker push xacc/base-plugin-ci
  - - docker rmi -f $(docker images -f "dangling=true" -q)
  + - docker system prune
  - docker rmi -f xacc/base-plugin-ci
  docker downstream:
  