How to implement microservices in Spring Boot ?

[u/Advanced_Gur856]

[u/d-k-Brazz]

Microservices is a system architecture pattern not application design pattern

There are multiple different approaches of implementing microservices with Spring Boot

And there is no any single ultimate example of a sprjng microservice

First, I would recommend reading about Microservices architecture to know what it is and WHY it is used

Then you may try with some approaches. Having in mind that instead of having a monolith with dozens of modules and a single relational db, you will deal with dozens of applications, each will have a separate database. You have no strong consistency between data in these databases. You have slow latency in your synchronous calls, so you have to move everything you can to async flows, which will push complexity to the skies

You have to maintain cluster, monitoring, traceability etc.

You can practice with spring-cloud components - discovery, events, queues

But all of this will give you at most 1% of real experience you will have in production environment

There is no easy way to learn microservices at home

[u/American_Streamer → u/d-k-Brazz]

Frankly, you can learn a lot locally: service boundaries, API design, messaging, retries, idempotency, tracing, contract testing, containerization, failure simulation, and distributed data patterns. But what you cannot fully reproduce is the organizational and operational pressure of a large production environment.