Book Image

Node.js Web Development - Third Edition

By : David Herron
Book Image

Node.js Web Development - Third Edition

By: David Herron

Overview of this book

Node.js is a server-side JavaScript platform using an event driven, non-blocking I/O model allowing users to build fast and scalable data-intensive applications running in real time. Node.js Web Development shows JavaScript is not just for browser-side applications. It can be used for server-side web application development, real-time applications, microservices, and much more. This book gives you an excellent starting point, bringing you straight to the heart of developing web applications with Node.js. You will progress from a rudimentary knowledge of JavaScript and server-side development to being able to create and maintain your own Node.js application. With this book you'll learn how to use the HTTP Server and Client objects, data storage with both SQL and MongoDB databases, real-time applications with Socket.IO, mobile-first theming with Bootstrap, microservice deployment with Docker, authenticating against third-party services using OAuth, and much more.

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Node.js Web Development - Third Edition
David Herron
Jun, 2016 | 376 pages
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Table of Contents (18 chapters)
Node.js Web Development Third Edition
Node.js Web Development Third Edition
Credits
Credits
About the Author
About the Author
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
About Node.js
About Node.js
The capabilities of Node.js
Why should you use Node.js?
Summary
2
Setting up Node.js
Setting up Node.js
System requirements
Installing Node.js using package managers
Installing from source on POSIX-like systems
Installing developer tools on Mac OS X
Node.js versions policy and what to use
Running and testing commands
NPM – the Node.js package manager
Node.js and ECMAScript 6 (ES-2015, ES-2016, and so on)
Summary
3
Node.js Modules
Node.js Modules
Defining a module
Node.js's algorithm for require (module)
npm – the Node.js package management system
A quick note about CommonJS
Summary
4
HTTP Servers and Clients – A Web Application's First Steps
HTTP Servers and Clients – A Web Application's First Steps
Sending and receiving events with EventEmitters
HTTP server applications
ES-2015 multiline and template strings
HTTP Sniffer – listening to the HTTP conversation
Web application frameworks
Getting started with Express
Calculating the Fibonacci sequence with an Express application
Making HTTP Client requests
Calling a REST backend service from an Express application
Summary
5
Your First Express Application
Your First Express Application
ES-2015 Promises and Express router functions
Express and the MVC paradigm
Creating the Notes application
Theming your Express application
Scaling up – running multiple Notes instances
Summary
6
Implementing the Mobile-First Paradigm
Implementing the Mobile-First Paradigm
Problem – the Notes app isn't mobile friendly
Mobile-first paradigm
Using Twitter Bootstrap on the Notes application
Mobile-first design for the Notes application
Building a customized Bootstrap
Summary
7
Data Storage and Retrieval
Data Storage and Retrieval
Data storage and asynchronous code
Logging
Storing notes in the filesystem
Summary
8
Multiuser Authentication the Microservice Way
Multiuser Authentication the Microservice Way
Creating a user information microservice
The Notes application stack
Summary
9
Dynamic Interaction between Client and Server with Socket.IO
Dynamic Interaction between Client and Server with Socket.IO
Introducing Socket.IO
Initializing Socket.IO with Express
Real time updates on the Notes home page
Inter-user chat and commenting for Notes
Summary
10
Deploying Node.js Applications
Deploying Node.js Applications
Notes application architecture
Traditional Linux Node.js service deployment
Node.js microservice deployment with Docker
Summary
11
Unit Testing
Unit Testing
Testing asynchronous code
Assert – the simplest testing methodology
Testing a model
Using Docker to manage test database servers
Testing REST backend services
Frontend headless browser testing with CasperJS
Summary
Index
Index

Installing Node.js using package managers

The preferred method for installing Node.js, now, is to use the versions available in package managers, such as apt-get, or Macports. Package managers simplify your life by helping to maintain the current version of the software on your computer, ensuring to update dependent packages as necessary, all by typing a simple command such as apt-get update. Let's go over this first.

Installing on Mac OS X with MacPorts

The MacPorts project (http://www.macports.org/) has for years been packaging a long list of open source software packages for Mac OS X, and they have packaged Node.js. After you have installed MacPorts using the installer on their website, installing Node.js is pretty much this simple:

$ sudo port search nodejs npm
nodejs @4.4.3 (devel, net)
    Evented I/O for V8 JavaScript

nodejs-devel @5.10.0 (devel, net)
    Evented I/O for V8 JavaScript

Found 2 ports.
--
npm @2.15.2 (devel)
    node package manager

npm-devel @3.8.6 (devel)
    node...
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