spring-boot-crud-patterns

Feature-aligned CRUD services for Spring Boot 3 with layered architecture and Spring Data JPA. Provides complete CRUD workflows for Spring Boot 3.5+ services using feature-focused architecture. Creates and validates domain aggregates, JPA repositories, application services, and REST controllers with proper separation of concerns. Defer detailed code listings to reference files for progressive disclosure. Follow this streamlined workflow to deliver feature-aligned CRUD services with explicit validation gates: Create feature/ / directories with domain , application , presentation , and infrastructure subpackages. Validate : Verify directory structure matches the feature boundary before proceeding. Create entity classes with invariants enforced through factory methods ( create , update ). Keep domain logic framework-free.