springboot-patterns

原文涵盖的主题

• Spring Boot Development Patterns
• When to Activate
• REST API Structure
• Repository Pattern (Spring Data JPA)
• Service Layer with Transactions
• DTOs and Validation
• Exception Handling
• Caching

Spring Boot architecture and API patterns for scalable, production-grade services. Building REST APIs with Spring MVC or WebFlux Structuring controller → service → repository layers Configuring Spring Data JPA, caching, or async processing Adding validation, exception handling, or pagination Setting up profiles for dev/staging/production environments Implementing event-driven patterns with Spring Events or Kafka Requires @EnableCaching on a configuration class. Requires @EnableAsync on a configuration class. Production recommendation: Use Resilience4j or Spring Retry for production retry logic with circuit breakers, metrics, and configurable policies. Security Note: The X-Forwarded-For header is untrusted by default because clients can spoof it. Only use forwarded headers when: 1. Your app is behind a trusted reverse proxy (nginx, AWS ALB, etc.) 2. You have registered ForwardedHeaderFilter as a bean 3. You have configured server.forward-headers-strategy=NATIVE or FRAMEWORK in application properties 4. Your proxy is configured to overwrite (not append to) the X-Forwarded-For header When ForwardedHeaderFilter is properly configured, request.getRemoteAddr() will automatically return t

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