Chapter 7. Implementing queries in a microservice architecture
This chapter covers:
- The challenges of querying data in a microservice architecture
- When and how to implement queries using the API composition pattern
- When and how to implement queries using the Command query responsibility segregation (CQRS) pattern
Mary and her team were just starting to get comfortable with the idea of using sagas to maintain data consistency. Then they discovered that transaction management wasn’t the only distributed data-related challenge they had to worry about when migrating the FTGO application to microservices. They also had to figure out how to implement queries.
In order to support the UI, the FTGO application implements a variety of query operations. ...
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