Introduction to Programming

Microservices

In order for a deployable unit of code to be qualified as a microservice, it has to possess the following characteristics:

• The size of the source code of one microservice should be smaller than the size of a traditional application. Another size criteria is that one programmer's team should be able to write and support several of them.
• It has to be deployed independently. Naturally, one microservice typically cooperates and expects cooperation from other systems, but that should not prevent our ability to deploy it.
• If a microservice uses a database to store data, it has to have its own schema, or a set of tables. This statement is still under debate, especially in cases when several services modify the same data set or interdependent ...