Microservices: Concepts

The microservice architecture is one of the most recent approaches to developing enterprise software applications. The concept of this style of software architecture has been discussed since 2011, and it has been establishing itself quickly.

concept of microservice is like :

The microservice architectural style is an approach to developing a single application as a suite of small services, each running in its own process and communicating with lightweight mechanisms. These services are built around business capabilities and independently deployable by fully automated deployment machinery. There is a bare minimum of centralized management of these services, which may be written in different programming languages and use different data storage technologies.

Why microservices?

"Microservices is a phenomenon of building applications as a collection of multiple independent services which are loosely coupled".
It is nothing but decomposing the application into various modules which are independent of each other.
The primary advantage of Microservices is that the modules can be independently deployed. The team size of developers is very less (5-10),so that deployment is very fast.
There is no need of working with single technology for the entire application as like of monolithic kernel. Various technologies can be used to build the application and it makes developers to comfortably work as their interest.

In the same e-commerce example, with the use of microservices, the services can be divided into various groups and it makes the developer teams easy to maintain and deploy.
These microservices can communicate each other synchronously with REST API over http and asynchronously using message brokers like KAFKA,ACTIVEMQ etc.

Popular Microservices frameworks:

Spring Boot (Best microservices framework in Java)
Flask(Popular microservices framework in Python)
Drop wizard(Java)
Spark framework(Java)
Swagger(Java)
Jersey(Java)

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