assets/sprockets/sprockets.go
func NewSprocketsServer(target *url.URL) (*SprocketsServer, error) {
	s := SprocketsServer{
		Handler: httputil.NewSingleHostReverseProxy(target),
		target:  target,
	}

	return &s, nil
}
func NewSprocketsServer(target *url.URL) (*SprocketsServer, error) {
	s := SprocketsServer{
		Handler: httputil.NewSingleHostReverseProxy(target),
		target:  target,
	}

	return &s, nil
}
// NewSprocketsServer creates a Sprockets asset pipeline