Learn MICRONAUT-SECURITY with Real Code Examples
Updated Nov 27, 2025
Performance Notes
Reactive filters are non-blocking for high concurrency
Token validation can be cached for frequent requests
Use asynchronous identity provider calls
Avoid blocking operations in security filters
Monitor authentication-related metrics
Security Notes
Use strong JWT secrets and key rotation
Validate all incoming tokens
Limit access via roles and permissions
Secure configuration files and secrets
Audit authentication and authorization logs
Monitoring Analytics
Monitor authentication success/failure rates
Track JWT expiration and renewal
Integrate with Prometheus/Grafana for metrics
Log authorization decisions for audit
Custom security metrics via reactive events
Code Quality
Follow Micronaut and Java/Kotlin conventions
Unit and integration test security flows
Modularize authentication and authorization logic
Use CI/CD for automated security testing
Ensure proper annotation and configuration usage