func (this *MaestroDoc) bind_vars(c Context) {
	for _, disk := range this.Disks {
		c.bind_vars(disk)
	}
	for _, instance := range this.Instances {
		c.bind_vars(instance)
	}
	for _, artifact := range this.Artifacts {
		c.bind_vars(artifact)
	}
	for _, image := range this.Images {
		c.bind_vars(image)
	}
	for _, container := range this.Containers {
		c.bind_vars(container)
	}
	for _, job := range this.Jobs {
		c.bind_vars(job)
	}
	for _, service := range this.services {
		c.bind_vars(service)
	}
}