Implementing Domain-Driven Design

REST and DDD

Tempting though it may be, it is not advisable to directly expose a domain model via RESTful HTTP. This approach often leads to system interfaces that are more brittle than they need to be, as each change in the domain model is directly reflected in the system interface. There are two alternative approaches for combining DDD and RESTful HTTP.

The first approach is to create a separate Bounded Context for the system’s interface layer and use appropriate strategies to access the actual Core Domain from the system’s interface model. This can be deemed a classic approach, as it views the system’s interface as a cohesive whole that is simply exposed using resource abstractions instead of services or remote interfaces.

Consider a concrete ...