spring-boot-expert

To build secure REST APIs in Spring Boot, configure JWT authentication by setting up security filters, generating tokens upon login, and validating them on subsequent requests to protect endpoints.

The best way to structure Spring Boot microservices is using a layered architecture with distinct entities, repositories for database persistence, services for business logic, and controllers for REST API exposure.

Spring Boot auto-configuration works by scanning the classpath for dependencies and automatically initializing beans, starters, and properties, reducing manual setup for enterprise Java applications.

Yes, you can use Spring Framework components like AOP, MVC, and data access modules directly within Spring Boot to manage cross-cutting concerns, build REST APIs, and handle database operations.

Implement exception handling in Spring Boot microservices using global controllers, while integrating circuit breakers to prevent cascading failures and maintain service stability during outages.

Spring Data JPA repositories often fail during testing due to incorrect entity mappings, missing properties configuration, or lack of proper test database setup in the Spring Boot application context.