About unit testing - I like expresso [1], but recently also started using tap [2]. [1]: https://github.com/visionmedia/expresso https://github.com/visionmedia/

About unit testing - I like expresso [1], but recently also started using tap [2]. [1]: https://github.com/visionmedia/expresso https://github.com/visionmedia/expresso [2]: https://github.com/isaacs/node-tap https://github.com/isaacs/node-tap Also see my startup that does javascript unit testing in all the browsers: http://www.testling.com http://www.testling.com Now about switching environments, see this: http://expressjs.com/guide.html#configuration http://expressjs.com/guide.html#configuration And also see bouncy to route between production/development dynamically: https://github.com/substack/bouncy https://github.com/substack/bouncy