Book Image

Adopting .NET 5

By : Hammad Arif, Habib Qureshi

Book Image

Adopting .NET 5

By: Hammad Arif, Habib Qureshi

Overview of this book

.NET 5 is the unification of all .NET technologies in a single framework that can run on all platforms and provide a consistent experience to developers, regardless of the device, operating system (OS), or cloud platform they choose. By updating to .NET 5, you can build software that can quickly adapt to the rapidly changing demands of modern consumers and stay up to date on the latest technology trends in .NET. This book provides a comprehensive overview of all the technologies that will form the future landscape of .NET using practical examples based on real-world scenarios, along with best practices to help you migrate from legacy platforms. You’ll start by learning about Microsoft’s vision and rationale for the unification of the platforms. Then, you’ll cover all the new language enhancements in C# 9. As you advance, you’ll find out how you can align yourself with modern technology trends, focusing on everything from microservices to orchestrated containerized deployments. Finally, you’ll learn how to effectively integrate machine learning in .NET code. By the end of this .NET book, you’ll have gained a thorough understanding of the .NET 5 platform, together with a readiness to adapt to future .NET release cycles, and you’ll be able to make architectural decisions about porting legacy systems and code bases to a newer platform.

Preface

Who this book is for

To get the most out of this book

Download the example code files

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Conventions used

Section 1: Features and Capabilities

Section 1: Features and Capabilities

Free Chapter

Chapter 1: Introducing .NET 5 Features and Capabilities

Chapter 1: Introducing .NET 5 Features and Capabilities

Technical requirements

Evolution of .NET

Discovering the distinguishing factors in .NET versions

What is the outlook for jumping to .NET 5?

Types of applications developed using .NET

What are the .NET 5 headliners?

Performance improvements

.NET release schedule

.NET support life cycle

Chapter 2: What's New in C# 9?

Chapter 2: What's New in C# 9?

Technical requirements

The .NET Framework requirements to use C# 9

Understanding what's new in C# 9

Leveraging performance improvements

Further reading

Section 2: Design and Architecture

Section 2: Design and Architecture

Chapter 3: Design and Architectural Patterns

Chapter 3: Design and Architectural Patterns

Technical requirements

Why should we follow design strategies?

Application design patterns

Communication styles and protocols

Architectural patterns

Chapter 4: Containerized Microservices Architecture

Chapter 4: Containerized Microservices Architecture

Technical requirements

Why overview other topics and not just microservices?

The gRPC communication protocol

Introduction to containerization and container orchestration

Let's build a demo microservices application

Further reading

Section 3: Migration

Section 3: Migration

Chapter 5: Upgrading Existing .NET Apps to .NET 5

Chapter 5: Upgrading Existing .NET Apps to .NET 5

Technical requirements

Choosing the migration approach

Points to ponder regarding an as-is upgrade

Upgrading a .NET Framework example app

Further reading

Chapter 6: Upgrading On-Premises Applications to the Cloud with .NET 5

Chapter 6: Upgrading On-Premises Applications to the Cloud with .NET 5

Technical requirements

Planning for cloud-optimized application transformation

Migrating SQL Server databases to the cloud

Deploying .NET 5 applications on Azure App Service

Serverless deployment – Azure Functions

Deploying .NET 5 applications to containers

Cleaning up resources

Section 4: Bonus

Section 4: Bonus

Chapter 7: Integrating Machine Learning in .NET 5

Chapter 7: Integrating Machine Learning in .NET 5

Technical requirements

Machine learning explained for .NET developers

Building an ML.NET-based service to predict the shopping score

Building Azure Functions using ML.NET models

Further reading

Other Books You May Enjoy

Other Books You May Enjoy

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What is the outlook for jumping to .NET 5?

It is not just the case that .NET 5 is the latest tech in the Microsoft and open source world. We see that adopting .NET 5 adds a lot of value as well. .NET 5 has many features that are forward-looking, such as not being tied just to the Windows platform, being container-aware, and supporting lots of cloud-native workloads. It has even added the superior support of technologies from .NET Framework, including WinForms, yet .NET 5 still does not support a number of technologies, including WebForms, WCF hosting, and Windows Workflow (WF).

This means that if you are not starting a new application, but instead, are thinking about upgrading your existing applications or services, then it could also be the case that your application depends on some libraries or NuGet packages that are not yet available on .NET Core 3.1 or .NET 5. As a strategy, you may look for alternative technologies or wait until the vendor releases the newer versions specifically for .NET 5.

In all such cases, we will dive deeper in the later chapters of this book, where we will focus on the migration topics along with the relevant situations and the example codes that will help you in making better decisions on migration topics.

Tip for WCF and WF applications

Around May 2019, there was a kick-off for two community-based open source software (OSS) projects on GitHub that are intended to bring WCF and WF support to .NET Core.

Check out Scott Hunter's blog post to see where Core WCF and Core WF fits in with the .NET 5 roadmap: Supporting the community with WF and WCF OSS projects:https://devblogs.microsoft.com/dotnet/supporting-the-community-with-wf-and-wcf-oss-projects/.

Now that we've understood the history and the advantages of .NET 5, let's check out the type of applications it can create.