Learn QUARKUS-SECURITY with Real Code Examples
Updated Nov 27, 2025
Architecture
Annotation-driven security at method or endpoint level
Identity providers and credentials management
JWT/OAuth2 token handling and verification
Reactive security context propagation
Integration with Quarkus extension ecosystem
Rendering Model
Incoming request intercepted by security layer
Authentication validated via JWT/OAuth2/LDAP
Roles and permissions checked via annotations
Security context propagated in reactive streams
Response returned if authorized, otherwise 401/403
Architectural Patterns
Annotation-based security enforcement
Identity provider integration
Reactive and imperative security context propagation
JWT/OAuth2 token verification
Microservice-ready design for cloud-native applications
Real World Architectures
Microservices secured with JWT and OAuth2
Cloud-native reactive REST services
SSO-enabled applications using Keycloak
Serverless functions with fast security startup
Enterprise RBAC systems for multi-tenant applications
Design Principles
Lightweight and low memory footprint
Cloud-native and reactive-first
Annotation-driven declarative security
Seamless integration with identity providers
Fast startup for serverless and microservices
Scalability Guide
Use stateless JWT tokens for horizontal scaling
Reactive security ensures non-blocking handling
Integrate with cloud identity providers for multi-instance apps
Monitor authentication events for load spikes
Apply caching for token validation if needed
Migration Guide
Update Quarkus and security extensions
Refactor deprecated APIs and annotations
Verify JWT/OAuth2 configurations
Test endpoints and reactive flows
Deploy incrementally to ensure security compliance