Integrating Serverless Architecture Using Azure Functions, Cosmos DB, and SignalR Service provides a holistic approach to design and development of a Twitter Bot application by leveraging Azure Functions. The different types of Azure Functions narrated in this book will empower you to make the right decisions while adopting Azure Functions to specific business requirements. Azure’s Cosmos DB is used as the backend for the Twitter Bot application.

This book illustrates the basic concepts of Cosmos DB along with its change feed mechanism through multiple examples. ASP.Net Core is the latest open source web framework from Microsoft and is used in this book to build the Twitter Bot web application. Overall, this book will provide deeper insights into the serverless architectures, which will empower you to build scalable cloud solutions.

Additionally, this book dive deep into the following topics:

• Integrate Azure Functions with Azure SignalR Service to broadcast real-time messages.
• Store and retrieve secrets of Azure Functions from Azure Key Vault. xviii
• Secure Azure Functions by enabling Twitter identity authentication using built-in app service authentication.
• Build Continuous Integration and Continuous Delivery pipelines for Azure Functions using Azure DevOps.

Download Chapter One: A New Era of Serverless Computing.

Chapter one introduces the Twitter Bot application that we are going to build in this book. Chapter 1 also illustrates the technology stack and the prerequisites of the Twitter Bot application along with its technical architecture.

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About the Author:

Rami Vemula is a technology consultant with more than eight years of experience in delivering scalable web and cloud solutions using Microsoft technologies and platforms, including ASP.NET MVC/Web API, .NET Core, ASP.NET Core, JQuery, C#, Entity Framework, SQL Server, and Azure. He currently works for Microsoft India Global Delivery as a consultant. As part of his work, he architects, develops, and maintains technical solutions to various clients in public and private sectors. Although web technology.

He is a Microsoft Certified ASP.Net and Azure Developer. He was a Microsoft Most Valuable Professional (MVP) in ASP.NET from 2011 to 2014 and an active trainer. He loves to share his technical experience through his blog at http://intstrings.com/ramivemula. Follow him on Twitter @RamiRamilu