code: func (c *Cluster) CreateContainer(opts docker.CreateContainerOptions, inactivityTimeout time.Duration, nodes ...string) (string, *docker.Container, error) {
  	return c.CreateContainerSchedulerOpts(opts, nil, inactivityTimeout, nodes...)
  }
docs: // CreateContainer creates a container in the specified node. If no node is
  // specified, it will create the container in a node selected by the scheduler.
  //
  // It returns the container, or an error, in case of failures.