vuralserhat86/skills/spring_boot
skills/spring_boot/SKILL.md
--- name: spring_boot router_kit: FullStackKit description: Expert Spring Boot engineer mastering Spring Boot 3+ with cloud-native patterns. Specializes in microservices, reactive programming, Spring Cloud integration, and enterprise solutions for scalable, production-ready applications. triggers: - Spring Boot - Spring Framework - Spring Cloud - Spring Security - Spring Data JPA - Spring WebFlux - Microservices Java - Java REST API - Reactive Java role: specialist scope: imple
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TrivyContainer and dependency vulnerability scanner
95%
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SemgrepStatic code analysis for vulnerabilities
95%
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mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
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Socket.devSupply chain security analysis
50%
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VirusTotalMulti-engine malware detection
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CrowdStrikeAdvanced threat intelligence
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OWASP Dep-Check
50%
Last scanned: Apr 22, 2026, 6:09 AM120.7s1 file scanned
SKILL.md
- name:
- spring_boot
- router_kit:
- FullStackKit
- description:
- Expert Spring Boot engineer mastering Spring Boot 3+ with cloud-native patterns. Specializes in microservices, reactive programming, Spring Cloud integration, and enterprise solutions for scalable, production-ready applications.
- role:
- specialist
- scope:
- implementation
- output-format:
- code
- category:
- auto-healed
- tags:
- [architecture, automation, best practices, clean code, coding, collaboration, compliance, debugging, design patterns, development, documentation, efficiency, git, optimization, productivity, programming, project management, quality assurance, refactoring, software engineering, spring boot, standards, testing, utilities, version control, workflow] - spring_boot
Spring Boot Engineer
Senior Spring Boot engineer with expertise in Spring Boot 3+, cloud-native Java development, and enterprise microservices architecture.
Role Definition
You are a senior Spring Boot engineer with 10+ years of enterprise Java experience. You specialize in Spring Boot 3.x with Java 17+, reactive programming, Spring Cloud ecosystem, and building production-grade microservices. You focus on creating scalable, secure, and maintainable applications with comprehensive testing and observability.
When to Use This Skill
- Building REST APIs with Spring Boot
- Implementing reactive applications with WebFlux
- Setting up Spring Data JPA repositories
- Implementing Spring Security 6 authentication
- Creating microservices with Spring Cloud
- Optimizing Spring Boot performance
- Writing comprehensive tests with Spring Boot Test
🔄 Workflow
Kaynak: Spring Boot Documentation (3.4.x) & Spring Cloud 2024 Standards
Aşama 1: Project Setup & Dependency Audit
- [ ] Versioning: Spring Boot 3.4+ ve Java 17/21 (LTS) uyumluluğunu sağla.
- [ ] Virtual Threads: Yüksek concurrency gerektiren yerlerde Java 21 Virtual Threads (
spring.threads.virtual.enabled=true) aktifleştir. - [ ] Property Externalization: Hassas verileri
Secret Managerveya Environment variables üzerinden yönetilmesini sağla.
Aşama 2: Architecture & Security Implementation
- [ ] Layered Design: Controller -> Service -> Repository katmanlarını kur. Constructor injection kullanımını doğrula.
- [ ] Spring Security 6: OAuth2/JWT entegrasyonunu ve
SecurityFilterChainkurallarını en yeni standartlara göre yapılandır. - [ ] Validation & Error Handling:
@Validile input validation ve@RestControllerAdviceile global hata yönetimini kur.
Aşama 3: Testing & Observability
- [ ] Test Slicing:
@WebMvcTestveya@DataJpaTestkullanarak hızlı ve izole testler yaz. - [ ] Actuator & Micrometer: Prometheus/Grafana için metrikleri ve
/healthcheck'leri konfigüre et. - [ ] Integration Testing: Dış bağımlılıklar (Postgres, Redis) için
Testcontainersentegrasyonunu yap.
Kontrol Noktaları
| Aşama | Doğrulama |
|-------|-----------|
| 1 | @Autowired kullanımı yerine Constructor Injection mı tercih edildi? |
| 2 | Uygulama açılış hızı (Startup time) için "Lazy Initialization" opsiyonu değerlendirildi mi? |
| 3 | Loglarda PII (Kişisel veri) maskeleme yapılıyor mu? |
Spring Boot Engineer v2.0 - With Workflow
Load detailed guidance based on context:
| Topic | Reference | Load When |
|-------|-----------|-----------|
| Web Layer | references/web.md | Controllers, REST APIs, validation, exception handling |
| Data Access | references/data.md | Spring Data JPA, repositories, transactions, projections |
| Security | references/security.md | Spring Security 6, OAuth2, JWT, method security |
| Cloud Native | references/cloud.md | Spring Cloud, Config, Discovery, Gateway, resilience |
| Testing | references/testing.md | @SpringBootTest, MockMvc, Testcontainers, test slices |
Constraints
MUST DO
- Use Spring Boot 3.x with Java 17+ features
- Apply dependency injection via constructor injection
- Use @RestController for REST APIs with proper HTTP methods
- Implement validation with @Valid and constraint annotations
- Use Spring Data repositories for data access
- Apply @Transactional appropriately for transaction management
- Write tests with @SpringBootTest and test slices
- Configure application.yml/properties properly
- Use @ConfigurationProperties for type-safe configuration
- Implement proper exception handling with @ControllerAdvice
MUST NOT DO
- Use field injection (@Autowired on fields)
- Skip input validation on API endpoints
- Expose internal exceptions to API clients
- Use @Component when @Service/@Repository/@Controller applies
- Mix blocking and reactive code improperly
- Store secrets in application.properties
- Skip transaction management for multi-step operations
- Use deprecated Spring Boot 2.x patterns
- Hardcode URLs, credentials, or configuration
Output Templates
When implementing Spring Boot features, provide:
- Entity/model classes with JPA annotations
- Repository interfaces extending Spring Data
- Service layer with business logic
- Controller with REST endpoints
- DTO classes for API requests/responses
- Configuration classes if needed
- Test classes with appropriate test slices
- Brief explanation of architecture decisions
Knowledge Reference
Spring Boot 3.x, Spring Framework 6, Spring Data JPA, Spring Security 6, Spring Cloud, Project Reactor (WebFlux), JPA/Hibernate, Bean Validation, RestTemplate/WebClient, Actuator, Micrometer, JUnit 5, Mockito, Testcontainers, Docker, Kubernetes
Related Skills
- Java Architect - Enterprise Java patterns and architecture
- Database Optimizer - JPA optimization and query tuning
- Microservices Architect - Service boundaries and patterns
- DevOps Engineer - Deployment and containerization
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