Spring Boot Caching: @Cacheable, @CacheEvict, and Redis
Implement Spring Boot caching with @Cacheable, @CacheEvict, and Redis: reduce database load, handle cache hits, misses, and invalidation properly.
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Spring Boot Configuration Properties: @ConfigurationProperties and Relaxed Binding
Master Spring Boot external configuration with @ConfigurationProperties, relaxed binding rules, and application.yml/yml setup.
Spring Boot CORS: Cross-Origin Resource Sharing Configuration
Learn how to configure Cross-Origin Resource Sharing in Spring Boot for secure API access, including global config, annotations, and common pitfalls.
Spring Boot DAO Pattern and @Transactional: Propagation, Isolation, Read-Only
Master Spring Boot's @Transactional annotation. Learn propagation levels, isolation modes, read-only transactions, failure scenarios, and best practices.
Spring Boot DataSource: Auto-Configured, Custom, and Multiple Databases
Learn how to configure DataSource in Spring Boot: from auto-configuration and custom sources to multi-database setups for production applications.
Spring Boot Exception Handling: @ControllerAdvice, @ExceptionHandler, ErrorAttributes
Master Spring Boot exception handling with @ControllerAdvice, @ExceptionHandler, ErrorAttributes, and security best practices for production APIs.
Spring Boot JAR Optimization: Layered JARs, Buildpacks, Thin JARs
Optimize Spring Boot JAR size and build times with layered JARs, Cloud Native Buildpacks, and thin JAR strategies for efficient deployments.
Spring Boot JDBC & Connection Management: JdbcTemplate, HikariCP
Master Spring Boot JDBC with JdbcTemplate and HikariCP connection pooling. Learn setup, configuration, best practices, failure scenarios, and observability.
Spring Boot JPA & Hibernate: Entity Mapping & Loading
Learn JPA and Hibernate entity mapping, relationship annotations, fetch strategies, and how to avoid N+1 queries and LazyInitializationException in Spring Boot.
Spring Boot Logging: SLF4J, Logback, Structured Logging
Configure logging in Spring Boot with SLF4J, Logback setup, structured JSON logging, and log group configurations for cleaner production logs.