The whole is greater than the sum of its parts
To build microservices, we first need to understand a holistic view of our microservices and use a heuristic approach. We need to understand how they are integrated with each other, how they interact with each other, and the relationship between services.
We need to understand what kind of data each microservice requires to perform its responsibility and what the microservice's output needs to be so that it can meet the needs of services or endpoints that depend on the data it provides. It is when we lack an understanding of the bigger picture that things start to fall apart or bugs are introduced. We need to understand what role a microservice plays in the bigger picture.
We need to understand whether a microservice serves complex business needs or if it is providing something more straightforward and less complex, such as meeting some infrastructure needs. For example, microservices can implement some complex business logic...