Chapter 4: The Landscape: Styles, Methodologies, Frameworks, and Patterns

A clear-eyed map of the architectural landscape - monoliths, microservices, event-driven systems, serverless, and beyond. How to read the landscape without becoming dogmatic about any single style.

What this chapter covers

Monolith vs. microservices: when each is appropriate
Event-driven architecture patterns
Serverless and Function-as-a-Service architecture
Hexagonal architecture and the Ports and Adapters pattern
Clean Architecture and Onion Architecture
Vertical Slice Architecture
Domain-Driven Design (DDD) overview
How to choose an architectural style based on context

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