Spring Boot Project Setup REST API Controllers Spring Data JPA Repositories Spring Security Configuration Unit Integration Testing Actuator Production Monitoring Profiles and Configuration Bean Validation Handling Database Migrations Flyway Microservices Spring Cloud Spring Boot Caching Redis Spring Boot Scheduling Tasks Spring Boot Messaging RabbitMQ Spring Boot File Upload Download Spring Boot Email SMTP Spring Boot Internationalization Spring Boot WebSocket Real-time Spring Boot GraphQL API Spring Boot Docker Deployment Spring Boot Reactive WebFlux Spring Boot OpenAPI Swagger Documentation Spring Boot Apache Kafka Integration Spring Boot gRPC Microservices Spring Boot Configuration Properties Binding Spring Boot AOP Cross-Cutting Spring Boot Custom Starter Development Spring Boot RSocket Messaging Spring Boot Reactive MongoDB Spring Boot Kubernetes Native Spring Boot Observability Tracing Spring Boot Batch Processing Spring Boot GraphQL Subscriptions Spring Boot Serverless Functions Spring Boot Resilience Patterns Spring Boot Multi-Version APIs

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Microservices Spring Cloud

April 5, 2026

Distributed Systems

Build scalable microservices architecture.

Core Components

Eureka - Service discovery
Config Server - Centralized config
API Gateway - Routing/filtering
Sleuth/Zipkin - Distributed tracing
Resilience4j - Circuit breaker

Deployment Patterns

Service mesh (Istio/Linkerd)
Kubernetes deployment
Event-driven (Kafka/RabbitMQ)
Contract testing

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