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Deploying Node.js

Deploying Node.js

By : Sandro Pasquali
4.7 (6)
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Deploying Node.js

Deploying Node.js

4.7 (6)
By: Sandro Pasquali
Buy this Book

Overview of this book

If you are an intermediate or advanced developer deploying your Node.js applications, then this book is for you. If you have already built a Node application or module and want to take your knowledge to the next level, this book will help you find your way.
Table of Contents (9 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Appreciating Node
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1. Appreciating Node
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Understanding Node's unique design
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The implications of Node's design on system architects
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Using full-stack JavaScript to maximum effect
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Summary
2
2. Installing and Virtualizing Node Servers
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2. Installing and Virtualizing Node Servers
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Getting a basic Node server up and running
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Installing applications on Heroku
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Installing applications on OpenShift
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Using Docker to create lightweight virtual containers
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Summary
3
3. Scaling Node
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3. Scaling Node
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Scaling vertically across multiple cores
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Scaling horizontally across different machines
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Summary
4
4. Managing Memory and Space
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4. Managing Memory and Space
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Dealing with large crowds
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Reducing memory usage
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Taming V8 and optimizing performance
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Caching strategies
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Managing sessions
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Summary
5
5. Monitoring Applications
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5. Monitoring Applications
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Dealing with failure
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Modifying behavior in changing environments
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Profiling processes
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Using third-party monitoring tools
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Using New Relic for monitoring
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Summary
6
6. Building and Testing
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6. Building and Testing
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Building with Gulp, Browserify, and Handlebars
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Using Node's native testing tools
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Testing with Mocha, Chai, Sinon, and npm
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Automated browser testing with PhantomJS and CasperJS
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Summary
7
7. Deploying and Maintaining
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7. Deploying and Maintaining
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Using GitHub webhooks
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Synchronizing local and deployed builds
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Integrating, delivering, and deploying
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Package maintenance
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Summary
8
Index
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Index

Modifying behavior in changing environments

Modifying application data in a running system has been compared to changing the engine of a jet while it is in flight. Luckily, we developers work in a virtual world where the laws of physics are more forgiving. In this section, we will learn how to create a remote control for your Node applications using examples demonstrating how to monitor processes remotely.

Node REPL

Node's Read-Eval-Print-Loop (REPL) represents the Node shell. To enter the shell prompt, enter Node via your terminal without passing a filename:

> node

You now have access to a running Node process and can pass JavaScript commands to this process. For example, after entering 2+2, the shell would send 4 to stdout. Node's REPL is an excellent place to try out, debug, test, or otherwise play with JavaScript code.

Because REPL is a native object, programs can also use instances as a context in which to run JavaScript interactively. For example, here, we create our own...

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