I just saw this demo video https://channel9.msdn.com/Events/Build/2016/P488?ocid=player https://channel9.msdn.com/Events/Build/2016/P488?ocid=player where they

I just saw this demo video https://channel9.msdn.com/Events/Build/2016/P488?ocid=player https://channel9.msdn.com/Events/Build/2016/P488?ocid=player where they demonstrate how the Ruby rack webserver runs flawlessly through the localhost address so it looks like you are totally correct. Awesome!