What are Monoliths?

To start explaining the microservices it’s useful to compare it to the monolithic application. An application is said to be a monolith when it is deployed as a single unit. Monoliths have a single shared database. They communicate with synchronous method calls where you send a message and expect a response immediately.

What are the cons of Monoliths?

• Monoliths are limited by the maximum size of a single physical machine. As the monolith grows, it acquires more and more system resources.
• They scale as far as the database allows because they often rely on a relational database which probably runs only a single instance in order to maintain consistency.

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