Learn MICRONAUT with Real Code Examples
Updated Nov 25, 2025
Performance Notes
Startup times are very fast, suitable for serverless
Low memory footprint compared to Spring Boot
Reactive endpoints handle many concurrent connections efficiently
Compile-time DI eliminates runtime reflection overhead
Native image support via GraalVM further reduces resource usage
Security Notes
Built-in support for JWT, OAuth2, and roles
Configuration-driven access control
Sanitize input in Controllers
HTTPS recommended for production
Keep Micronaut and dependencies updated
Monitoring Analytics
Track HTTP requests and responses
Monitor reactive streams and backpressure
Integrate with Prometheus, Grafana
Analyze logs and exceptions
Use Micronaut Management endpoints for metrics
Code Quality
Follow Java/Kotlin best practices
Use compile-time DI correctly
Write unit and integration tests
Document Controllers, Services, and beans
Profile and optimize memory and startup