Node.js and MongoDB

Jul 14 • Posted 4 years ago

Visit the more recent post, Getting Started with VMware Cloud Foundry, MongoDB, and Node.js. Listen to the recorded Node.js Panel Discussion webinar.

Node.js is turning out to be a framework of choice for building real-time applications of all kinds, from analytics systems to chat servers to location-based tracking services. If you’re still new to Node, check out Simon Willison’s excellent introductory post. If you’re already using Node, you probably need a database, and you just might have considered using MongoDB.

The rationale is certainly there. Working with Node’s JavaScript means that MongoDB documents get their most natural representation — as JSON — right in the application layer. There’s also significant continuity between your application and the MongoDB shell, since the shell is essentially a JavaScript interpreter, so you don’t have to change languages when moving from application to database.

Node.js MongodB Driver

Especially impressive to us at 10gen has been the community support for Node.js and MongoDB. First, there’s Christian Kvalheim’s excellent mongodb-node-native project, a non-blocking MongoDB driver implemented entirely in JavaScript using Node.js’s system libraries. The project is a pretty close port of the MongoDB Ruby driver, making for an easy transition for those already used to the 10gen-supported drivers. If you’re just starting, there’s a helpful mongodb-node-native mailing list.

Hummingbird

Need a real-world example? Check out Hummingbird, Michael Nutt’s real-time analytics app. It’s built on top of MongoDB using Node.js and the mongodb-node-native driver. Hummingbird, which is used in production at Gilt Groupe, brings together an impressive array of technologies; it uses the express.js Node.js app framework and sports a responsive interface with the help of web sockets. Definitely worth checking out.

Mongoose

Of course, one of the admitted difficulties in working with Node.js is dealing with deep callback structures. If this poses a problem, or if you happen to want a richer data modeling library, then Mongoose is the answer. Created by Learnboost, Mongoose sits atop mongodb-node-native, providing a nice API for modeling your application.

Node Knockout

All of this just to show that the MongoDB/Node.js ecosystem thrives. If you need a good excuse to jump into Node.js or MongoDB development, be sure to check out next month’s Node Knockout. It’s a weekend app competition for teams up to four, and registration is now open

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