Here is an example of a very simple lighttpd/nginx-style web server written in NodeJS.
There are a lot of folks building SSJS clones of Django and WSGI and Rack the like. However, Python and Ruby have blocking IO, and even while they have the capacity for asynchronous behavior, it’s not the default.
It is possible today to build a web server in a day, in a flexible dynamic language, which can serve an alarming number of requests per second, by embracing asynchronous architecture.
Let’s play: simple-node-server