The microservice architecture is a way to develop a single application containing a set of smaller services. These services are independent of each other and run in their own processes. An important advantage of these services is that they can be developed and deployed independently. In other words, we can say that microservices are a way to segregate our services so they can be handled completely independent of each other in the context of design, development, deployment, and upgrades.
In a monolithic application, we have a self-contained assembly of user interface, direct sale, and inventory. In the microservice architecture, the services part of the application changes to the following depiction: ...