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Building Serverless Web Applications

You're reading from Building Serverless Web Applications

Product type Book

Published in Jul 2017

Publisher Packt

ISBN-13 9781787126473

Pages 354 pages

Edition 1st Edition

Languages

Concepts

Author (1):

Diego Zanon

Table of Contents (17) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Preface

1. Understanding the Serverless Model

2. Getting Started with AWS

3. Using the Serverless Framework

4. Hosting the Website

5. Building the Frontend

6. Developing the Backend

7. Managing a Serverless Database

8. Securing the Serverless Application

9. Handling Serverless Notifications

10. Testing, Deploying, and Monitoring

AWS IoT

It may sound strange to use the Internet of Things as a service for websites, but AWS IoT is the only service offered by Amazon that supports WebSockets in a serverless model. Without WebSockets, we need to rely on polling. Polling is the process where the client needs to make repeated and frequent requests to the server, checking whether a new message is available, while WebSockets are used to create a link between the client and the server where the server can send the message directly to the client without the need of being constantly requested. WebSockets are used to implement the publish-subscribe pattern, which is more efficient than polling.

Besides AWS IoT, another candidate to implement real-time serverless notifications is Amazon Simple Queue Service (SQS). You can create a queue of messages that are destined for a single user and wait for this user to request SQS looking for new messages. While polling is necessary for this solution, Amazon offers a feature named long-polling...

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Authors (1)

Diego Zanon

Diego Zanon is a full-stack developer for both JavaScript and .NET applications. He is passionate about understanding and trying new technologies and frameworks, especially those designed to solve scalability problems. In his free time, he likes to blog and contribute to GitHub and Stack Overflow. Diego is a computer engineer and has worked on a wide range of projects, from industrial systems to e-commerce websites, for customers around the world, including the USA, Brazil, Netherlands, and Germany.

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