Mastering Spring Cloud

Building a messaging system

I think that the most suitable way to introduce main Spring Cloud Stream features is through the sample microservices-based system. We will lightly modify an architecture of the system that has been discussed in the previous chapters. Let me provide a short recall of that architecture. Our system is responsible for processing orders. It consists of four independent microservices. The order-service microservice first communicates with product-service in order to collect the details of the selected products, and then with customer-service to retrieve information about the customer and his accounts. Now, the orders sent to order-service will be processed asynchronously. There is still an exposed RESTful HTTP API endpoint ...