We already know that we will apply the asynchronous messaging design pattern in our application using the RecommendationService microservice as an example. This is a very simple service to create and is far from the complexity of microservices of recommendations in production in the real world. Therefore, RecommendationService is a microservice with a didactic purpose for practicing the use of the asynchronous messaging design pattern.
Having made this initial caveat, let's define the business and RecommendationService domain. The idea is very simple. Whenever a news portal user searches for any specific news, the labels in that news will be associated with the user ID. By relating the IDs on the ...
