Posts tagged with #spring-boot

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 #spring-boot-roadmap #learning-path

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 #spring-boot-roadmap #learning-path

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 #spring-boot-roadmap #learning-path

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 #spring-boot-roadmap #learning-path

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 #spring-boot-roadmap #learning-path

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 #spring-boot-roadmap #learning-path

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 #spring-boot-roadmap #learning-path

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.

#spring-boot #spring-boot-roadmap #learning-path

Micrometer & Observability: Custom Metrics, Timers, Counters

Learn to implement custom metrics, timers, and counters with Micrometer in Spring Boot for Prometheus-based observability and production monitoring.

#spring-boot #spring-boot-roadmap #learning-path