discovery

type Registry interface {
	Register(ctx context.Context, instanceID string, serviceName string, hostPort string) error

	Deregister(ctx context.Context, instanceID string, serviceName string, hostPort string) error

	ServiceAddresses(ctx context.Context, serviceID string) ([]string, error)

	// ReportHealthyState push mechanism for reporting healthy state to registry
	ReportHealthyState(instanceID string, serviceName string) error
}