Kotlin Spring Boot Backend Expert

概要

This skill provides specialized guidance for architecting modern Kotlin backends using Spring Boot 3.x. It enforces industry best practices such as OpenAPI-first controller design, type-safe DTO mapping via extension functions, and idiomatic Kotlin patterns like exhaustive 'when' statements and immutable data classes. It is ideal for developers building scalable microservices that require clean separation of layers, robust global exception handling, and standardized configuration management using modern Kotlin 2.x features.

主な機能

• Idiomatic entity and DTO patterns using Kotlin data classes
• Immutable state management using Kotlin's copy and null-safety features
• OpenAPI-compliant REST controller interfaces with Swagger/Tag support
• Spring Boot 3.5.7 and Kotlin 2.2.21 project configuration boilerplate
• 1 GitHub stars
• Global REST exception handling and validation logic

ユースケース

• Architecting production-ready REST APIs with standardized layers
• Standardizing backend error responses and request validation across a team
• Implementing domain-driven design services with specific transaction propagation