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    Advanced Express Web Application Development
    Advanced Express Web Application Development
    Advanced Express Web Application Development
    Ebook276 pages1 hour

    Advanced Express Web Application Development

    By Andrew Keig

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    About this ebook

    A practical book, guiding the reader through the development of a single page application using a feature-driven approach.If you are an experienced JavaScript developer who wants to build highly scalable, real-world applications using Express, this book is ideal for you. This book is an advanced title and assumes that the reader has some experience with node, Javascript MVC web development frameworks, and has heard of Express before, or is familiar with it. You should also have a basic understanding of Redis and MongoDB. This book is not a tutorial on Node, but aims to explore some of the more advanced topics you will encounter when developing, deploying, and maintaining an Express web application.
    LanguageEnglish
    PublisherPackt Publishing
    Release dateNov 25, 2013
    ISBN9781783282500
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      Book preview

      Advanced Express Web Application Development - Andrew Keig

      Table of Contents

      Advanced Express Web Application Development

      Credits

      About the Author

      About the Reviewers

      www.PacktPub.com

      Support files, eBooks, discount offers and more

      Why Subscribe?

      Free Access for Packt account holders

      Preface

      What this book covers

      What you need for this book

      Who this book is for

      Conventions

      Reader feedback

      Customer support

      Downloading the example code

      Errata

      Piracy

      Questions

      1. Foundations

      Feature set

      Installation

      package.json

      Testing Express with Mocha and SuperTest

      Feature: Heartbeat

      Continuous testing with Mocha

      Code coverage with Mocha and JSCoverage

      Configuring Express with Nconf

      Extracting routes

      404 handling middleware

      Logging middleware

      Logging with Winston

      Task automation with Grunt

      Summary

      2. Building a Web API

      Persisting data with MongoDB and Mongoose

      GitHub tokens

      Feature: Create a project

      Feature: Get a project

      Feature: Edit a project

      Feature: Delete a project

      Feature: List projects

      GitHub API

      Feature: List repositories

      Feature: List commits

      Feature: List issues

      Validating parameters with param middleware

      Route improvements

      Summary

      3. Templating

      Server-side templating

      Feature: Master Page

      Package management with Bower

      Templates

      Client-side development with Backbone.js

      Feature: List projects

      Feature: List repositories

      Feature: Create a project

      Feature: Edit a project

      Feature: Delete a project

      Feature: List commits

      Feature: List issues

      Summary

      4. Real-time Communication

      Caching data with Redis

      Populating Redis

      Socket.IO

      Socket.IO on the client

      Scheduling Redis population

      Summary

      5. Security

      Setting up Passport

      Acceptance testing with Cucumber and Zombie.js

      Feature: Authentication

      Scenario: User logs in successfully

      Scenario: User logs out successfully

      Securing our site with HTTPS

      Sharing Express sessions with Socket.IO

      Cross-site request forgery

      Improving security with HTTP headers and helmet

      Summary

      6. Scaling

      Scaling Express sessions with Redis

      Scaling Socket.IO with Redis

      Scaling Express horizontally

      vision-core

      vision-api

      vision-worker

      vision-web

      Vertical scale with Cluster

      Balancing load with Hipache

      Summary

      7. Production

      Error handling, domains, and crash-only design

      Redis sessions

      SSL termination

      Caching

      Favicon

      Minification

      Compression

      Logging

      Summary

      Index

      Advanced Express Web Application Development

      Advanced Express Web Application Development

      Copyright © 2013 Packt Publishing

      All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

      Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

      Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

      First published: November 2013

      Production Reference: 1181113

      Published by Packt Publishing Ltd.

      Livery Place

      35 Livery Street

      Birmingham B3 2PB, UK.

      ISBN 978-1-78328-249-4

      www.packtpub.com

      Cover Image by Rima Pawooskar (<riima@hotmail.com>)

      Credits

      Author

      Andrew Keig

      Reviewers

      Dave Poon

      Artem Vovsya

      Acquisition Editors

      Erol Staveley

      Owen Roberts

      Commissioning Editors

      Subho Gupta

      Sharvari Tawde

      Technical Editors

      Kapil Hemnani

      Tarunveer Shetty

      Copy Editors

      Sarang Chari

      Brandt D'Mello

      Lavina Pereira

      Project Coordinator

      Sherin Padayatty

      Proofreader

      Simran Bhogal

      Indexer

      Tejal Daruwale

      Production Coordinator

      Aparna Bhagat

      Cover Work

      Aparna Bhagat

      About the Author

      Andrew Keig is a London based web developer who has been building web applications since 2000. He is the author of Packt's Instant RabbitMQ Messaging Application Development How-to. Andrew has a degree in Computing and blogs at blog.airasoul.net on topics he is passionate about, such as Node.js, REST, Web APIs, and behaviour-driven development. He also contributes to various Node.js open source projects. He is a director at Airasoul, which specializes in the design and build of scalable, RESTful, specification-driven, and real-time web-based applications on the Node.js stack. He is also the co-founder of openue.com, a property search startup.

      This book is the culmination of my experience working on multiple Node.js projects. I thank those who worked with me: Johnny Hall, Mehdi Avdi, Jozz Hart, Keith Bowditch, Lee Wilson, and 
Craig Strong.

      I would like to thank TJ. Holowaychuk, the author of Express, the author of Node.js, Ryan Dahl, Node's current custodian Isaac Z. Schlueter, and the thousands of Node module developers who have all contributed to making Node.js an awesome space to work in.

      Finally, I would also like to thank my reviewers: Dave Poon, and Artem Vovsya for their invaluable input and the team at Packt Publishing for their support.

      Finally, thank you to all my family.

      About the Reviewers

      Dave Poon is a web developer and designer based in Sydney. He started his career as a freelance graphic and web designer in 1998 and worked with web development agencies and medium-size enterprises. After graduating from Central Queensland University with a degree in Multimedia Studies and Master's degree in IT, he began his love affair with Drupal, and worked for a variety of companies that use Drupal.

      Currently, he is a Design Lead at Suncorp, one of the biggest financial institutions in Australia. He is also the co-founder of Erlango (http://erlango.com), a digital product design startup, located in Sydney and Hong Kong, that creates user-centered digital products and tools for designers and users.

      He is also the author of Packt's Drupal 7 Fields/CCK.

      I would like to thank my wife Rita for her endless patience 
and support. Without her, what I do would be meaningless.

      And also I would like to thank my father for his 
continued encouragement.

      Artem Vovsya has been writing software since 2006, when he started working as a Delphi developer for a little software company. He got his Bachelor's degree in Computer Engineering. He tried his hand at being a Delphi and .NET developer. Two years ago, he fell in love with Node.js, and now he's writing frontend and backend code completely in JavaScript.

      Currently he is a frontend developer at Yandex, the leading Russian search engine.

      www.PacktPub.com

      Support files, eBooks, discount offers and more

      You might want to visit www.PacktPub.com for support files and downloads related to your book.

      Did you know that Packt offers eBook versions of every book published, with PDF and ePub files available? You can upgrade to the eBook version at www.PacktPub.com and as a print book customer, you are entitled to a discount on the eBook copy. Get in touch with us at for more details.

      At www.PacktPub.com, you can also read a collection of free technical articles, sign up for a range of free newsletters and receive exclusive discounts and offers on Packt books and eBooks.

      http://PacktLib.PacktPub.com

      Do you need instant solutions to your IT questions? PacktLib is Packt's online digital book library. Here, you can access, read and search across Packt's entire library of books. 

      Why Subscribe?

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      This book is dedicated to my wife Rima and beloved son Indie.

      Thank you both for your love and understanding.

      Preface

      Building an Express application that is reliable, robust, maintainable, testable, and can scale beyond a single server requires a bit of extra thought and effort. Express applications that need to survive in a production environment will need to reach out to the Node ecosystem and beyond for support. Advanced Express Web Application Development aims to deliver a working real-world, single-page application that can meet these goals and allow us the opportunity to explore the more advanced features of Express.

      What this book covers

      Chapter 1, Foundations, lays the foundation as we put in place a skeleton application; we introduce testing and automation practices that we will use to build our example single-page application.

      Chapter 2, Building a Web API, helps in building a web API that our application will consume.

      Chapter 3, Templating, helps you create a consuming client with a working web API in place and explore the client- and server-side templating.

      Chapter 4, Real-time Communication, helps us to add real-time updates to content displayed in our single-page application.

      Chapter 5, Security, guides us to secure our application as we look at authentication, security vulnerabilities, and SSL.

      Chapter 6, Scaling, demonstrates scaling our Express application using Redis, and also looks at the benefits of decoupling an Express application.

      Chapter 7, Production, examines real-world Express deployment issues such as performance, robustness, and reliability.

      What you need for this book

      In

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