lib/plugins/aws/invokeLocal/index.js/AwsInvokeLocal/checkDockerDaemonStatus
class AwsInvokeLocal:  checkDockerDaemonStatus() {
    return new BbPromise((resolve, reject) => {
      const docker = spawn('docker', ['version']);
      docker.on('exit', error => {
        if (error) {
          reject('Please start the Docker daemon to use the invoke local Docker integration.');
        }
        resolve();
      });
    });
  }