Dependency Inversion with a Web Adapter in Hexagonal Architecture

Modern software applications often struggle with tight coupling, where changes in the web framework force disruptive rewrites of core business logic. By decoupling your application core using clean design patterns, you can build highly adaptable systems that stand the test of time. This course guides you through the process of separating your domain layer from the web delivery mechanism using hexagonal architecture principles. You will learn how to define clean interfaces, manage dependency flow, and implement modern design patterns that make your codebase resilient to external framework changes. What you will learn: Understand the foundational concepts of hexagonal architecture and the ports-and-adapters pattern; Apply the dependency inversion principle to decouple core business logic from HTTP protocols; Design robust inbound ports and web adapters to handle incoming web requests; Practice structured test-driven development by isolating your domain logic from the web framework; Implement modern dependency injection patterns to wire up your application seamlessly. We begin with the core definitions of dependency inversion and architectural boundaries, then step through translating these concepts into clean, modular code. This text-based course is designed for software developers and architects who want to transition from traditional layered architectures to clean, maintainable systems. No prior experience with hexagonal architecture is required, though a basic understanding of object-oriented programming is recommended. Start building cleaner, more maintainable web applications today.