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Book Description

“Porting Existing ASP.NET Apps to .NET 6” by Steve “Ardalis” Smith is your essential roadmap for modernizing legacy web applications. This book dives deep into the process of moving from classic ASP.NET MVC and Web API (built on .NET Framework 4.x) to the latest, high-performance .NET 7 platform. With clear explanations, practical tips, and real-world examples, it helps you navigate the technical and business considerations of migration.

Book Overview

This guide is packed with actionable advice for developers and architects. You’ll find detailed comparisons between ASP.NET MVC/Web API and ASP.NET Core, step-by-step migration strategies, and deployment best practices. The book doesn’t just focus on codeit also covers architectural shifts, dependency management, configuration changes, and how to keep your app running smoothly during the transition. Two in-depth case studies showcase successful migrations, making the journey less intimidating.

Why Read This Book

If you’re wondering whether it’s worth upgrading your existing apps or staying put on .NET Framework, this book gives you straight answers. It weighs the pros and cons, helping you make informed decisions that align with your team’s goals. The writing is approachableno dry tech jargon here! You’ll even find a few lighthearted moments because, let’s face it, migrations can use a little humor.

Who This Book Is For

This guide is perfect for developers, tech leads, and architects responsible for large-scale enterprise applications on ASP.NET MVC or Web API. It’s also valuable for technical decision-makers planning whenand howto move their organization’s apps forward. While modernizing .NET applications with Azure Cloud is outside this book’s main focus, you’ll still find migration tips relevant if you’re considering cloud or container deployments in your strategy.

What You Will Learn

• The key architectural differences between ASP.NET MVC/Web API and ASP.NET Core
• How to evaluate if migration to .NET 7 is right for your app
• Incremental migration strategiesslice by slice or layer by layer
• Best practices for updating dependencies and NuGet packages
• How to handle configuration, routing, logging, authentication, and authorization changes
• Deployment options: side-by-side setups, containers, cloud-native approaches, and more
• Tips for keeping your app stable during the transition (yes, you can migrate while running in production!)
• Real-world case studies from teams who have already made the leap
• Links to official documentation and community resources for deeper dives
• How this guide compares with resources like Modernize Existing .NET Applications with Azure Cloud and Windows Containers

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