OK, I am using javascript sever side, including node.js. Because of performance issues, we have decided to move one page to being rendered server-side, not client side, so the s
This is a simple example that does server-side templating (no express): https://github.com/FissionCat/handlebars-node-server-example
This is an example that serves html, js, css and an mp3 (but doesn't use express or any templating): https://github.com/FissionCat/Hue-Disco
There's some pretty useful documentation found here: http://www.hongkiat.com/blog/node-js-server-side-javascript/
Like you said, avoiding lots of rewriting is a bonus.
Might be the information provided in the article be of some help.