Monolithic vs Microservice Architecture

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While designing a new product, the first thing that comes to mind is how to structure the code. As you may be aware, the monolithic vs. microservice debate is still raging. Microservices are believed to be the comparatively best technique of developing a software system, despite the fact that monolithic apps have been present for a long time.

According to O’Reily, 61% of companies have implemented microservices over the past five years, with a 55% “complete success” rate. Also, data from Dzone shows that 73% of companies believe that microservices will become indispensable for building next-gen software applications.

What is monolithic architecture?

It is a traditional method to software development in which the total system function is based on a single application as a single, autonomous unit. A huge block of stone can be used as an analogy here (a.k.a monolith). This single block would represent a single platform in software development.

All functions are controlled and served in one place in a monolithic app. Of course, an app has an internal structure that includes a database, a client-side interface, and business logic, but it is still a hidden unit. Its components can communicate without using an API.

  • Advantages of monolithic applications
  • Disadvantages of monolithic architecture

What is microservice software architecture?

Business logic is split down into lightweight, single-purpose self-contained services in a microservice architecture. As a result, the infrastructure resembles collection modules. Each service in this style of architecture is in charge of achieving a specific business goal. As a result, the microservice architecture resembles a Lego structure that can be broken down into multiple components. APIs guarantee that the system’s components communicate with one another.

  • Advantages of microservices architecture
  • Disadvantages of microservices architecture

Monolithic architecture

Microservice architecture


Deploy the entire system once, then make adjustments as needed.

It is possible to deploy and rollback each microservice separately.


.NET, JAVA, PHP, or Ruby, Python/Django skills are needed

DevOps, Docker, Kubernetes, Lambda, etc skills are needed


A single failure might bring the entire system down.

A failure of one service has no effect on the availability of other services.


New technologies and programming languages are impossible to implement.

Possibility of using multiple languages and technology for varied business requirements


Teams are involved in the development process at the same time.

Different teams can work on different aspects of the solution.


Due to intrinsic dependencies within the architecture and other developers working at the same time, the updates may take some time.

Because of the autonomous nature of the services, quick updates are possible due to the minimalistic design of the modules.


Possibility of end-to-end testing

Each component needs to be tested separately.


At the system level, secure data processing and transfer is made easier.

The use of an API gateway to communicate between services creates security concerns.


Low, only vertical




Make a decision based on your organisational structure when it comes to choosing between these two architecture solutions. Microservices are an excellent fit if you have multiple teams working on the same project. A team of three developers, on the other hand, is better suited to monolithic architecture.

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