I am using node.js on my rackspace server to serve my various applications. (Using node-http-proxy).
However, i would like to start a wordpress blog. The only way to
WordPress now has an "official" (to be precise: open source, under Automattic's github repo) way to do this: wpcom.js. From that github page:
Official JavaScript library for the WordPress.com REST API. Compatible with Node.js and web browsers.
The essence is to call the WordPress REST API from JS.