error during connect: In the default daemon configuration on Windows, the docker client must be run with elevated privileges to connect.: Get http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.24/containers/json: open //./pipe/docker_engine: The system cannot find the file specified.
解决：
cd "C:\Program Files\Docker\Docker" DockerCli.exe -SwitchDaemon
