What are Microservices?

Microservices are an architectural style used by many organizations today as a game changer to achieve high degrees of agility, speed of delivery, and scale. Microservices gives us a way to develop physically separated modular applications.

Microservices are not invented. Many organizations, such as Netflix, Amazon, and eBay had successfully used the divide and conquer technique for functionally partitioning their monolithic applications into smaller atomic units, each performing a single function. These organizations solved a number of prevailing issues they were experiencing with their monolithic application. Following the success of these organizations, many other organizations started adopting this as a common pattern for refactoring their monolithic applications. Later, evangelists termed this pattern microservices architecture.

Microservices originated from the idea of Hexagonal Architecture, which was coined by Alister Cockburn back in 2005. Hexagonal Architecture...