Chapter 9. Architecture of Individual Microservices

When microservices are implemented, close attention must be paid to a number of key points. First, this chapter addresses the domain architecture of microservices (section 9.1). Next up is CQRS (Command Query Responsibility Segregation) (section 9.2), which can be interesting when implementing a microservice-based system. This approach separates data writes from data reads. Event Sourcing (section 9.3) places events at the center of the modeling. The structure of a microservice can correspond to a hexagonal architecture (section 9.4), which subdivides functionality into a logic kernel and adapters. Section 9.5 focuses on resilience and stability—essential requirements for microservices. Finally, ...

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