code: function getDockerUid(bindPath) {
    const options = [
      'run',
      '--rm',
      '-v',
      `${bindPath}:/test`,
      'alpine',
      'stat',
      '-c',
      '%u',
      '/bin/sh'
    ];
    const ps = dockerCommand(options);
    return ps.stdout.trim();
  }
docs: Find out what uid the docker machine is using
  @param {string} bindPath
  @return {boolean}