Advantages of Microservice

Scalability – It’s easy to scale in or scale out services depending on business need. Also doesn’t have to scale the entire application.

Availability – even if one service is down, application can be functional.

Partial deployment – it’s possible to deploy changes to specific to a microservices. This is faster compared to deploying the entire application.

Independently upgradable – each microservices are like components, it’s possible to independently upgrade or replace them.

Multiple platforms/technology - software development can be done using different technologies.  (Polyglot)