Individual skill

spring-boot-engineer

Generates Spring Boot 3.x configurations, creates REST controllers, implements Spring Security 6 authentication flows, sets up Spring Data JPA repositories, and configures reactive WebFlux endpoints. Use when building Spring Boot 3.x applications, microservices, or reactive Java applications; invoke for Spring Data JPA, Spring Security 6, WebFlux, Spring Cloud integration, Java REST API design, or Microservices Java architecture.

skills/spring-boot-engineer/SKILL.md

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# Spring Boot Engineer

## Core Workflow

1. **Analyze requirements** — Identify service boundaries, APIs, data models, security needs
2. **Design architecture** — Plan microservices, data access, cloud integration, security; confirm design before coding
3. **Implement** — Create services with constructor injection and layered architecture (see Quick Start below)
4. **Secure** — Add Spring Security, OAuth2, method security, CORS configuration; verify security rules compile and pass tests. If compilation or tests fail: review error output, fix the failing rule or configuration, and re-run before proceeding
5. **Test** — Write unit, integration, and slice tests; run `./mvnw test` (or `./gradlew test`) and confirm all pass before proceeding. If tests fail: review the stack trace, isolate the failing assertion or component, fix the issue, and re-run the full suite
6. **Deploy** — Configure health checks and observability via Actuator; validate `/actuator/health` returns `UP`. If health is `DOWN`: check the `components` detail in the response, resolve the failing component (e.g., datasource, broker), and re-validate

## Reference Guide

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