Spring Kotlin REST API

Spring 5 Kotlin REST API demo with Spring Boot 2 stacks. This project is consist of CRUD Web endpoint.

Tech Stack

• Java8 (JDK 8 update 171)
• Kotlin 1.2.70
• Spring Boot 2.0.5
• Gradle 4.8.1
• H2DB
• Undertow Web Server
• Jacoco

Build, Test & Run the Application

Build

gradlew clean build

Find the built result at /build/libs/spring-kotlin-api-1.0.0.jar

Automatic Test

# run all test
gradlew test

# run coverage test report
gradlew jacocoTestReport

Find the test result report at /build/reports/test/ for test result, and /build/reports/jacoco for Jacoco coverage test result report.

Run the Application

gradlew bootRun

Access from local url: http://localhost:8080

Test REST API Locally

Test the REST API locally with Curl or alternatively you can use Insomnia Web API Test, feel free to download my Insomnia Workspace at Here and import into yours.

REST API Endpoints

HTTP Method	Path	Description
GET	/api/customer	Get all existing customer data.
GET	/api/customer/{id}	Get existing customer data by Id.
POST	/api/customer	Insert new customer data.
PUT	/api/customer/{id}	update existing customer data by Id.
DELETE	/api/customer/{id}	Delete existing customer data by Id.

Reference

• Spring Boot and Kotlin
• Creating a RESTful Web Service with Spring Boot
• Building Restful APIs with Kotlin, Spring Boot, Mysql, JPA and Hibernate
• Creating and Testing a Kotlin RESTful Web Services using Spring Boot
• More readable tests with Kotlin
• Test coverage in Kotlin with Jacoco
• Codecov Kotlin Example

Copyright and License

Copyright 2018 Maikel Chandika (mkdika@gmail.com). Code released under the MIT License. See LICENSE file.