In the last chapter, we looked into the drawbacks of our current business model, and now, in this chapter, we'll look at how Event Sourcing (ES) and CQRS (Command Query Responsibility Segregation) would be helpful to overcome those.

In this chapter, we will talk about some architectural designs that deal with massive scalability. We will also look at two patterns, Event Sourcing and CQRS, which are all about solving the problem response behavior for such an enormous number of requests.

Many of us think that compliance with twelve-factor apps will make our application a cloud native application with higher scalability, but there are other strategies, such as ES and CQRS, which can make our application more reliable.

Since cloud native applications are internet facing, we expect thousands or millions of requests from different sources. Implementing...