func (c *Container) addNetNs(config *dockerclient.HostConfig, service project.Service, containers []project.Container) (*dockerclient.HostConfig, error) { if len(containers) == 0 { return nil, fmt.Errorf("Failed to find container for networks ns %v", c.service.Config().Net) } id, err := containers[0].ID() if err != nil { return nil, err } config.NetworkMode = "container:" + id return config, nil }