code: func (c *Client) Containers(ctx context.Context) ([]*Container, error) {
  	req := newReq(ctx, "https://"+c.hostname()+"/")
  	c.Auth.SignRequest(req)
  	res, err := c.transport().RoundTrip(req)
  	if err != nil {
  		return nil, err
  	}
  	defer res.Body.Close()
  	if res.StatusCode != http.StatusOK {
  		return nil, fmt.Errorf("azure: Unexpected status code %d fetching container list", res.StatusCode)
  	}
  	return parseListAllMyContainers(res.Body)
  }
docs: // Containers list the containers active under the current account.