Hard to say. My current plan is to simply cobble something together. I do have a simple Go Web Server that I used when I started my other Go web server on Digital Ocean:

https://h4labs.wordpress.com/2014/10/13/simple-go-web-server...

Direct source: https://github.com/melling/GoWebServer

Go on App Engine is not hard: https://cloud.google.com/appengine/docs/go/