Ashirwad Satapathi and Abhishek Mishra

Developing Cloud-Native Solutions with Microsoft Azure and .NET

Build Highly Scalable Solutions for the Enterprise

Ashirwad Satapathi
Gajapati, Odisha, India
Abhishek Mishra
Navi MUmbai, India
ISBN 978-1-4842-9003-3e-ISBN 978-1-4842-9004-0
https://doi.org/10.1007/978-1-4842-9004-0
© Ashirwad Satapathi and Abhishek Mishra 2023
This work is subject to copyright. All rights are solely and exclusively licensed by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed.
The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use.
The publisher, the authors, and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, expressed or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

This Apress imprint is published by the registered company APress Media, LLC, part of Springer Nature.

The registered company address is: 1 New York Plaza, New York, NY 10004, U.S.A.

The book is dedicated to my mother, Mrs. Sabita Panigrahi, for supporting me through every phase of my life.

—Ashirwad Satapathi

This book is dedicated to my parents, wife, and lovely daughter Aaria.

—Abhishek Mishra

Introduction

This book will help you learn how to build cloud-native solutions using Microsoft Azure and .NET. It provides step-by-step explanations of essential concepts and practical examples. We will begin by exploring multiple Azure PaaS and serverless offerings by building solutions to solve real-world problems by following the industry best practices.

The books start with Azure fundamentals, followed by scenario-driven chapters on building distributed solutions using Azure Web App and Azure Service Bus. The next set of chapters focuses on building containerized workloads using Azure container-based services. We will explore how to build intelligent applications using Azure AI and IoT services in subsequent chapters. Finally, we will explore ways to deploy our applications using GitHub Actions.

By the end of this book, you will be able to build various types of applications by leveraging Azure PaaS and serverless services and be able to deploy them using Azure GitHub Actions.

This book presents near-production scenarios and provides lab scenarios that deliver the right set of hands-on experience to the reader. The practical approach adopted in the book will help users gain deep proficiency in developing coud-native solutions.

This book is intended for all who wish to get a deep understanding of Azure to build highly scalable and reliable cloud-native applications. It provides a well-illustrated guide for the readers to kickstart their journey with Microsoft Azure.

Source Code

All source code used in this book can be downloaded from https://github.com/apress/developing-cloud-native-solutions-azure-.net.

Acknowledgments

We would like to thank the Apress team for giving us the opportunity to work on this book. Also, thanks to the technical reviewer and the editors for helping us deliver this manuscript.

Table of Contents
Chapter 1:​ Introduction1
Introduction to Cloud Computing1
Cloud Deployment Models2
Public Cloud3
Private Cloud3
Hybrid Cloud3
Cloud Service Types4
Infrastructure-as-a-Service4
Platform-as-a-Service4
Software-as-a-Service5
Serverless Computing5
A Quick Tour of Azure Services6
Compute Services6
Data Services8
Artificial Intelligence– and Machine Learning–Based Services10
Other Services10
Summary11
Chapter 2:​ Build a Web API to Send Messages to Azure Service Bus13
Introduction to Azure Service Bus14
When to Use Azure Service Bus14
Features of Azure Service Bus15
Message Filtering16
Message Sessions16
Message Auto-forwarding16
Duplicate Detection16
Message Expiration17
Message Deferral17
Message Batching17
Queues, Topics, and Namespaces17
Queues18
Topics18
Namespaces19
Working with Azure Service Bus19
Create an Azure Service Bus Namespace in Azure Portal19
Create an Azure Service Bus Namespace in Azure Portal23
Create an SAS Policy to Access the Azure Service Bus Namespace25
Create a Console App to Send Messages to Azure Service Bus Queue27
Create a Web API to Schedule Messages in Azure Service Bus Queue30
Test APIs Using Postman41
Summary44
Chapter 3:​ Build a Worker Service to Process Messages from Azure Service Bus45
Structure45
Objectives46
Introduction to .​NET Core Worker Services46
Life-Cycle Methods of Worker Services47
Problem Statement47
Proposed Solution47
Create an SAS Policy to Access the Azure Service Bus Namespace48
Generate an App Password in our GMAIL account50
Create a Worker Service to Process Scheduled Messages in Azure Service Bus Queue53
Deploy and Test the Worker Service63
Summary77
Chapter 4:​ Building a Microservice Using .​NET and Azure Kubernetes Service79
Introduction to Azure Kubernetes Service and Azure Container Registry80
Build a Microservice Using .​NET83
Create Azure Kubernetes Service and Azure Container Registry91
Containerize the Microservice and Push It to the Azure Kubernetes Service98
Run the Microservice on Azure Kubernetes Service101
Summary110
Chapter 5:​ Secure Microservice with Azure AD111
Introduction to Azure AD112
Register an Application in Azure AD113
Create the Application Scope118
Create the Application Secret121
Configure MathAPI for Authentication and Authorization123
Summary130
Chapter 6:​ Running APIs on Azure Container Apps131
Introduction to Azure Container Apps131
Create Azure Container Apps Environment with Add API and Subtract API134
Modify Math API and Push It to Azure Container Registry147
Deploy Math API to Azure Container Apps Environment148
Summary154
Chapter 7:​ Implement Logging and Monitoring for Microservices Running on AKS155
Structure155
Objectives156
Introduction to Azure Monitor and Application Insights156
Create Application Insights158
Configure Logging for the Math Microservices Application161
Create a Logging-Enabled AKS Cluster180
Monitor Metrics and Logs for the Microservices Application184
Summary192
Chapter 8:​ Build an IoT Solution with Azure IoT Hub, Azure Functions, and Azure Cosmos DB193
Structure194
Objectives194
Introduction to IoT194
What Is Azure IoT?​194
What Is Azure IoT Hub?​195
What Is Azure Functions?​196
What Is Azure Cosmos DB?​196
Problem Statement197
Proposed Solution197
Create an Azure IoT Hub in Azure Portal198
Register an IoT Device to IoT Hub in Azure Portal203
Create an Azure Cosmos DB Instance in Azure Portal206
Create a Console App to Act As a Virtual IoT Device212
Create an IoT Hub Triggered Azure Function to Store Data in Cosmos DB215
Summary218
Chapter 9:​ Build a Desktop Application for Speech-to-Text Conversation Using Azure Cognitive Services219
Structure219
Objectives220
Introduction to Azure Cognitive Services220
Vision220
Speech221
Language221
Decision221
Provision Speech Service221
Build a .​NET-Based Desktop Application to Convert Speech to Text225
Summary230
Chapter 10:​ Build a Multilanguage Text Translator Using Azure Cognitive Services231
Structure231
Objectives232
Azure Cognitive Services232
Problem Statement233
Proposed Solution234
What Is Azure Translator?​234
Create an Azure Translator Instance in Azure Portal235
Create a Multilanguage Text Translator Using ASP.​NET Core239
Test Our API Using Postman246
Summary247
Chapter 11:​ Deploy an ASP.​NET Web Application to an Azure Web App Using GitHub Actions249
Structure249
Objectives250
Introduction to GitHub Actions250
Build a .​NET Application and Push It to GitHub251
Provision Azure Web App259
Deploy Application to Azure Web App Using GitHub Actions263
Summary270
Index271
About the Authors
Ashirwad Satapathi
is a software developer with a leading IT firm whose expertise is building scalable applications with .NET Core. He has a deep understanding of how to build full-stack applications using .NET and Azure PaaS and serverless offerings. He is an active blogger in the C# Corner developer community. He was awarded the C# Corner MVP (September 2020) for his remarkable contributions to the developer community.
 
Abhishek Mishra
is a cloud architect at a leading organization and has more than 17 years of experience in building and architecting software solutions for large and complex enterprises across the globe. He has deep expertise in enabling digital transformation for his customers using the cloud and artificial intelligence. He speaks at conferences on Azure and has authored five books on Azure prior to writing this new book.
 
About the Technical Reviewer
Viachaslau Matsukevich

As a Cloud Solutions Architect, Viachaslau Matsukevich has delivered 20+ DevOps projects for a number of Fortune 500 and Global 2000 enterprises.

Viachaslau has been certified by Microsoft, Google, and the Linux Foundation as a Solutions Architect Expert, Professional Cloud Architect, and Kubernetes Administrator.

He has written many technology articles about Cloud-Native technologies and Kubernetes on Red Hat Enable Architect, SD Times, Hackernoon, Dzone, and Medium’s largest and most followed independent DevOps publication.

Viachaslau has participated as an Industry Expert and Judge for the Globe Awards, including the IT World Awards, Golden Bridge Awards, Disruptor Company Awards, and American Best in Business Awards. He also is the author of online courses about DevOps and Kubernetes tools and is a member of the Leader of Excellence from Harvard Square. You can find him at www.linkedin.com/in/viachaslau-matsukevich/.

 
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