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  • Book Overview & Buying Building Scalable Apps with Redis and Node.js
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Building Scalable Apps with Redis and Node.js

Building Scalable Apps with Redis and Node.js

By : Johanan
4.3 (9)
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Building Scalable Apps with Redis and Node.js

Building Scalable Apps with Redis and Node.js

4.3 (9)
By: Johanan

Overview of this book

If the phrase scalability sounds alien to you, then this is an ideal book for you. You will not need much Node.js experience as each framework is demonstrated in a way that requires no previous knowledge of the framework. You will be building scalable Node.js applications in no time! Knowledge of JavaScript is required.
Table of Contents (12 chapters)
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11
Index

Scalability

We have automated the rolling out of our code to servers in the cloud, but how is this scalable? The first thing we take a look at is a diagram of how our application looks:

Scalability

The front public-facing address of our site will be the server that is running HAProxy. In this setup, we will only want one server running HAProxy, and if it is production, this site should have a static IP and a public DNS record. HAProxy is very efficient at load balancing, and one of them can handle a lot of traffic. Eventually, we can run two behind a balanced DNS record, for example, but this is out the scope of this book.

HAProxy will then send the requests to one of our application servers behind it. These servers do not need a public-facing DNS record. They only need to communicate with the HAProxy server (and technically our computer so that SSH/Ansible will work). Each one of these servers will only be running one instance of Node and our application. We could even configure Ansible to kick off...

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Building Scalable Apps with Redis and Node.js
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