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  • Book Overview & Buying Node.js Web Development
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Node.js Web Development

Node.js Web Development - Third Edition

By : David Herron
4.1 (18)
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Node.js Web Development

Node.js Web Development

4.1 (18)
By: David Herron
Buy this Book

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.
Table of Contents (13 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. About Node.js
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1. About Node.js
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The capabilities of Node.js
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Why should you use Node.js?
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Summary
2
2. Setting up Node.js
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2. Setting up Node.js
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System requirements
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Installing Node.js using package managers
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Installing from source on POSIX-like systems
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Installing developer tools on Mac OS X
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Node.js versions policy and what to use
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Running and testing commands
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NPM – the Node.js package manager
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Node.js and ECMAScript 6 (ES-2015, ES-2016, and so on)
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Summary
3
3. Node.js Modules
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3. Node.js Modules
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Defining a module
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Node.js's algorithm for require (module)
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npm – the Node.js package management system
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A quick note about CommonJS
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Summary
4
4. HTTP Servers and Clients – A Web Application's First Steps
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4. HTTP Servers and Clients – A Web Application's First Steps
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Sending and receiving events with EventEmitters
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HTTP server applications
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ES-2015 multiline and template strings
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HTTP Sniffer – listening to the HTTP conversation
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Web application frameworks
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Getting started with Express
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Calculating the Fibonacci sequence with an Express application
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Making HTTP Client requests
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Calling a REST backend service from an Express application
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Summary
5
5. Your First Express Application
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5. Your First Express Application
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ES-2015 Promises and Express router functions
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Express and the MVC paradigm
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Creating the Notes application
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Theming your Express application
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Scaling up – running multiple Notes instances
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Summary
6
6. Implementing the Mobile-First Paradigm
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6. Implementing the Mobile-First Paradigm
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Problem – the Notes app isn't mobile friendly
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Mobile-first paradigm
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Using Twitter Bootstrap on the Notes application
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Mobile-first design for the Notes application
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Building a customized Bootstrap
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Summary
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7. Data Storage and Retrieval
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7. Data Storage and Retrieval
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Data storage and asynchronous code
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Logging
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Storing notes in the filesystem
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Summary
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8. Multiuser Authentication the Microservice Way
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8. Multiuser Authentication the Microservice Way
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Creating a user information microservice
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The Notes application stack
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Summary
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9. Dynamic Interaction between Client and Server with Socket.IO
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9. Dynamic Interaction between Client and Server with Socket.IO
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Introducing Socket.IO
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Initializing Socket.IO with Express
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Real time updates on the Notes home page
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Inter-user chat and commenting for Notes
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Summary
10
10. Deploying Node.js Applications
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10. Deploying Node.js Applications
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Notes application architecture
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Traditional Linux Node.js service deployment
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Node.js microservice deployment with Docker
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Summary
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11. Unit Testing
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11. Unit Testing
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Testing asynchronous code
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Assert – the simplest testing methodology
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Testing a model
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Using Docker to manage test database servers
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Testing REST backend services
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Frontend headless browser testing with CasperJS
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Summary
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Index
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Index

Creating a user information microservice

We could implement user authentication and accounts by simply adding a user model, and a few routes and views to the existing Notes application. While it would be easy to accomplish, is this what we would do in a real-world production application?

Consider the following considerations:

  • It's important to keep user identity data under tight security

  • The Notes application may be a small portion of a larger website; therefore, user authentication must be shared between multiple applications

  • The microservice approach—dividing the application into small chunks, each deployed as separate services—is a popular architecture choice that increases software development flexibility

It's claimed that the microservice approach is easier to manage than when developing a monolithic large application. By dividing the total system into small services, each service can be developed by a small team, whose engineers can fully grow their service, with each able to proceed on...

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Programming languages
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