Serverless Distributed Systems in Modern .NET and Azure

In an era where scalability, resilience, and agility define successful software systems, this book offers a hands-on roadmap to mastering event-driven, serverless architectures. The book guides you, step by step, through building a real-world distributed order-processing system—starting from a single Azure Function and expanding into a robust, fully integrated, and production-ready cloud solution. You will learn how to design ingestion pipelines with HTTP triggers and queues, orchestrate workflows with Durable Functions, manage data in Cosmos DB, implement event-driven flows using Event Grid, and monitor system health with Application Insights. Through its structured approach, this book bridges foundational concepts with practical engineering patterns. The first section establishes the core principles of distributed systems, event-driven design, and serverless computing using Azure Functions. The next section explores orchestration, workflow automation, security, and observability—equipping you with integration techniques for real-world enterprise systems. And the operations and advanced section delves into CI/CD pipelines, Infrastructure as Code (IaC), and modern deployment strategies. By the end of the book, you will have a complete reference architecture that mirrors real-world systems such as ecommerce checkouts, financial workflows, or insurance claims processing—preparing them to confidently design, deploy, and scale resilient serverless systems in .NET and Azure.  What You Will LearnDesign real production-grade serverless architectures on AzureUse Azure Functions, Durable Functions, Event Grid, Service Bus, Cosmos DB, Azure Storage, and API Management togetherHandle the hard concerns, including idempotency, orchestration vs. choreography, failure compensation instead of try/catch, event contracts and versioning, observability and tracing, secure B2B/API-to-API flows, zero downtime deployments, and cost-control under scaleEvolve an initially simple Azure Function into a mature, modular, multi-service, maintainable serverless system using domain-driven thinking, event modelling, and clean architectural boundariesTake a full system from development to production, including CI/CD pipelines, environment isolation, secret management, networking, and much more Who This Book Is For.NET Developers and Azure Service architects 

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