Learn MICRONAUT with Real Code Examples

Backend for microservice-based SaaS

Serverless APIs for mobile or web apps

IoT device data processing

Reactive streaming services

Cloud-native solutions for small-to-medium businesses

Enhanced GraalVM and native image support

Expanded reactive features and integrations

Improved cloud-native tooling

Better developer experience with IDE plugins

Continued optimizations for microservices and serverless

Monolithic applications requiring heavy frameworks

Small projects without cloud or microservice needs

Teams unfamiliar with JVM ecosystem

Projects needing a large library ecosystem (Spring Boot is bigger)

Quick prototypes where startup time is less critical

Micronaut is a JVM-based framework for microservices and serverless apps.

It features fast startup, low memory usage, and compile-time dependency injection.

Supports reactive programming, cloud-native integration, and GraalVM native images.

Well-suited for microservices, reactive APIs, and IoT backends.

Lightweight, modular, and production-ready for modern architectures.

Is Micronaut free?

Yes - open-source under Apache 2.0 license.

Does Micronaut support reactive programming?

Yes - reactive HTTP client/server and RxJava/Flow integration.

Is Micronaut suitable for serverless?

Yes - fast startup and low memory footprint ideal for serverless.

Can I use Kotlin with Micronaut?

Yes - fully supported alongside Java and Groovy.

Does Micronaut support GraalVM native images?

Yes - compile-time DI makes it compatible with native images.