Spring Boot Service Builder
FlaggedGenerates Spring Boot microservices with REST controllers, JPA repositories, security configuration, and Docker support.
$ Copy the SKILL.md file to your project's .claude/skills/ directory About This Skill
Spring Boot Service Builder generates production-ready Java microservices following Spring Boot 3 conventions and enterprise best practices. It handles the full service lifecycle from entity design through REST API exposure and deployment configuration.
Generated Project Structure
``` src/main/java/com/example/ controller/ service/ repository/ model/ entity/ dto/ config/ exception/ ```
Core Components
REST Controllers Generates `@RestController` classes with proper request mapping, request/response DTOs, Bean Validation (`@Valid`), and OpenAPI `@Operation` annotations for documentation.
JPA Layer - `@Entity` classes with proper relationship mappings (`@OneToMany`, `@ManyToMany`) - Spring Data JPA repositories with custom query methods - Flyway or Liquibase migration scripts - QueryDSL or Specification API for dynamic filtering
Spring Security - JWT-based stateless authentication - Method-level security with `@PreAuthorize` - CORS configuration for cross-origin requests - Password encoding with BCrypt
Observability - Actuator endpoints for health checks and metrics - Micrometer + Prometheus integration - Structured logging with Logback JSON encoder
Docker Support - Multi-stage `Dockerfile` with JRE 21 base - `docker-compose.yml` with PostgreSQL and the service
Use Cases
- Building enterprise-grade REST APIs with Spring Boot 3
- Implementing Spring Security with JWT or OAuth2
- Creating JPA entities and repository patterns for relational databases
- Generating Docker and Kubernetes deployment configurations
Pros & Cons
Pros
- +Generates complete enterprise-grade Spring Boot 3 structure
- +Spring Security configuration included with JWT patterns
- +OpenAPI documentation generated from annotations
- +Docker-ready with multi-stage builds
Cons
- -Java verbosity means more generated code to review than Python equivalents
- -Spring Boot startup time and memory usage higher than lightweight alternatives
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