Spring Boot REST API

A layered Spring Boot REST API used as the reference shape for Spring Boot Bootstrap.

Goals

Expose a small resource API (for example, customers)
Keep controller, service, and persistence concerns separated
Validate input and return consistent error responses
Enable Actuator health
Include automated tests

Skill	Status
Spring Boot Bootstrap	Available

Expected structure

src/
├── main/
│   ├── java/
│   │   └── com/example/app/
│   │       ├── Application.java
│   │       └── customer/
│   │           ├── CustomerController.java
│   │           ├── CustomerService.java
│   │           ├── CustomerRepository.java
│   │           └── CustomerResponse.java
│   └── resources/
│       └── application.yml
└── test/
    └── java/

Suggested verification

./mvnw test
./mvnw spring-boot:run

Confirm health via Actuator and exercise the resource endpoints with HTTP requests or tests.