docker: error during connect: This error may indicate that the docker daemon is not running.: Post "http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.24/containers/create?name=jenkins": open //./pipe/docker_engine: The system cannot find the file specified.
docker hub 실행해서 여기 shell에서 하니까 문제 없이 작동됨 뭘까…