Controller annotations

Constructor injection

201 Created for POST

Paginated list response

Pagination query params

JpaRepository extension

@Transactional on writes

@Transactional readOnly for reads

Java records for DTOs

Bean Validation on DTO fields

@Valid on request body

@ControllerAdvice handler

MethodArgumentNotValidException handler

@EnableCaching on config

@Cacheable with value and key

@CacheEvict on delete

@EnableAsync on config

@Async on notification method

CompletableFuture return type

SLF4J logger declaration

Structured key=value log format

Exception logged with stack trace

Request logging filter type

Logged request fields

Rate limit filter present

Bucket4j token bucket

ConcurrentHashMap bucket store

Uses getRemoteAddr() for IP

No direct X-Forwarded-For read

429 status on rate limit

Logback JSON encoder

Micrometer dependency