Let's examine another microservices example: an online retail web site. In this case, we will focus more on the backend services, such as the order event generated when the customer places an order through the website:
This microservices system is completely designed based on reactive programming practices.
When an event is published, a number of microservices are ready to kick start upon receiving the event. Each one of them is independent and is not relying on other microservices. The advantage of this model is that we can keep adding or replacing microservices to achieve specific needs. ...