A monolithic application

The purpose of this chapter is to introduce and lead the reader to transform what is commonly called monolithic application into a dynamic and scalable application.

What is a monolithic application?

When people talk about scaling, they often use the term monolithic application. But what is this, exactly? Usually, this refers to a software or an infrastructure where everything (including the presentation part, backend, and data part) is combined in a single block, called a monolith. In our case, we are focusing on the infrastructure. To explain the concept of a monolithic application, we are going to build an example application with the following components as shown in the figure below:

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