ASP.NET Core 9 Web API Cookbook

Embrace the future of web API development with ASP.NET Core 9—from REST best practices to real-time SignalR, and from HybridCache to .NET Aspire deployment—through hands-on recipes and proven methodologiesKey FeaturesMaster the lifecycle of ASP.NET Core web APIs by confidently building, testing, monitoring, and securing your applicationsExplore advanced topics like GraphQL, SignalR, and microservices to create feature-rich APIsDiscover cloud deployment strategies to ensure your APIs are ready for modern infrastructurePurchase of the print or Kindle book includes a free PDF eBookBook DescriptionDiscover what makes ASP.NET Core 9 a powerful and versatile framework for building modern web APIs that are both scalable and secure. This comprehensive, recipe-based guide leverages the authors’ decade-long experience in software development to equip developers with the knowledge to create robust web API solutions using the framework's most powerful features.Designed for intermediate to advanced .NET developers, this cookbook contains hands-on recipes that demonstrate how to efficiently build, optimize, and secure APIs using this cutting-edge technology. You'll master essential topics, such as creating RESTful APIs, implementing advanced data access strategies, securing your APIs, creating custom middleware, and enhancing your logging capabilities. The book goes beyond traditional API development by introducing GraphQL, SignalR, and gRPC, offering insights into how these technologies can extend the reach of your APIs. To prepare you for real-world challenges, the recipes cover testing methodologies, cloud deployment, legacy system integration, and advanced concepts like microservices and Hangfire.By the end of this book, you’ll gain the expertise needed to build and manage enterprise-grade web APIs with ASP.NET Core 9.What you will learnImplement HybridCache with stampede protection to replace distributed and in-memory cachesPerform unit, integration, and contract testing to ensure robustness and reliabilityOptimize API performance using output and response caching with tag-based invalidationDesign custom middleware for rate limiting, centralized exception handling, health checks, and moreStreamline API troubleshooting using Serilog's structured logging and Seq's powerful log visualization for quick insightsSecure your APIs with authentication, authorization, and HTTPS enforcementWho this book is forThis book is for intermediate to advanced developers—whether you're a .NET, backend, full-stack, or DevOps professional—looking to build and secure APIs with ASP.NET Core. It’s also ideal for those experienced in Java or Go who want to transition to ASP.NET Core, or developers familiar with C# and .NET aiming to deepen their API skills. A working knowledge of web APIs and the .NET ecosystem is assumed, so you can jump straight into practical recipes

Luke Avedon has been contributing to the software development lifecycle for nearly a decade. In recent years, he has focused exclusively on .NET development. He helped to design and implement an ASP.NET Core API for a leading healthcare company, serving as the backbone for a system supporting nearly one billion USD in revenue. Luke has also developed secure solutions for integrating vendor APIs and upgrading legacy .NET APIs to help comply with Department of Defense GCC high-security standards. Additionally, he contributed to the development of large-scale AI models for a major technology company, gaining valuable insights into the intersection of AI and software engineering. Garry Cabrera has seven years of expertise in building robust backend APIs for major financial institutions, including Credit Suisse and Bank of America. Though he specializes in .NET and Java development, Garry's technical versatility extends to Python and Groovy, enabling him to adapt solutions to diverse requirements. His deep knowledge of relational databases—SQL Server, MySQL, and Oracle—combined with proficiency in ORMs such as Hibernate, allows him to create efficient and scalable data access layers. Garry's integration expertise with Apache Camel and SSIS has proven invaluable in establishing seamless data flows across complex enterprise systems.

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