Book Image

Serverless Programming Cookbook

By : Heartin Kanikathottu
Book Image

Serverless Programming Cookbook

By: Heartin Kanikathottu

Overview of this book

Managing physical servers will be a thing of the past once you’re able to harness the power of serverless computing. If you’re already prepped with the basics of serverless computing, Serverless Programming Cookbook will help you take the next step ahead. This recipe-based guide provides solutions to problems you might face while building serverless applications. You'll begin by setting up Amazon Web Services (AWS), the primary cloud provider used for most recipes. The next set of recipes will cover various components to build a Serverless application including REST APIs, database, user management, authentication, web hosting, domain registration, DNS management, CDN, messaging, notifications and monitoring. The book also introduces you to the latest technology trends such as Data Streams, Machine Learning and NLP. You will also see patterns and practices for using various services in a real world application. Finally, to broaden your understanding of Serverless computing, you'll also cover getting started guides for other cloud providers such as Azure, Google Cloud Platform and IBM cloud. By the end of this book, you’ll have acquired the skills you need to build serverless applications efficiently using various cloud offerings.
Table of Contents (12 chapters)

Client-side authentication flow

In the previous recipe, we demonstrated the use of server-side authentication flow, along with the authentication flow type ADMIN_NO_SRP_AUTH. In this recipe, we will demonstrate the use of client-side authentication flow, with the authentication flow type USER_PASSWORD_AUTH.

Getting ready

The following are the prerequisites for completing this recipe:

  • Make sure that we have created a Cognito user pool, following the recipe Creating a Cognito user pool.

How to do it...

First, we will create the client, and then, we will execute various...