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This is a talk that I gave the SFBay Area Microservices and Cloud Native Apps meetup.
In a microservice architecture, each service has a private datastore in order to ensure that the services are loosely coupled. While loose coupling is essential, this architecture makes managing transactions and querying difficult. You can’t use traditional distributed transactions. Nor can you use distributed queries. In this talk you will learn about some patterns for solving these problems: Sagas, API Composition and Command Query Responsibility Segregation (CQRS).
Core patterns
Decomposition
Deployment patterns
Cross cutting concerns
Communication style
External API
Service discovery
Reliability
Data management
Security
Testing
Observability
UI patterns