Book Image

Node Cookbook

By : David Mark Clements
Book Image

Node Cookbook

By: David Mark Clements

Overview of this book

The principles of asynchronous event-driven programming are perfect for today's web, where efficient real-time applications and scalability are at the forefront. Server-side JavaScript has been here since the 90's but Node got it right. With a thriving community and interest from Internet giants, it could be the PHP of tomorrow. "Node Cookbook" shows you how to transfer your JavaScript skills to server side programming. With simple examples and supporting code, "Node Cookbook" talks you through various server side scenarios often saving you time, effort, and trouble by demonstrating best practices and showing you how to avoid security faux pas. Beginning with making your own web server, the practical recipes in this cookbook are designed to smoothly progress you to making full web applications, command line applications, and Node modules. Node Cookbook takes you through interfacing with various database backends such as MySQL, MongoDB and Redis, working with web sockets, and interfacing with network protocols, such as SMTP. Additionally, there are recipes on correctly performing heavy computations, security implementations, writing, your own Node modules and different ways to take your apps live.
Table of Contents (16 chapters)
Node Cookbook
About the Author
About the Reviewers

Storing and retrieving data with Redis

Redis is a non-traditional database, dubbed a data structures server, which functions in operational memory with blazingly fast performance.

Redis is excellent for certain tasks, as long as the data model is fairly simple and isn't so large that it swamps your server RAM. Good examples of where Redis shines are in site analytics, server-side session cookies, and providing a list of logged-in users in real time.

In the spirit of our theme, we will re-implement our quotes database with Redis.

Getting ready

We'll be using the node_redis client.

npm install redis

We also need to install the Redis server, which can be downloaded from along with installation instructions.

Let's also create a new directory with a new quotes.js file.

How to do it...

Let's create the redis module, create a connection, and listen for the ready event emitted by the redis client, not forgetting to load the command-line arguments into the params object.