Spring Boot Kotlin Reactive Server Example

This repository contains a simple example Spring Boot 3 web server using reactive API's with Kotlin Coroutines.

Used technologies

• Spring Webflux (reactive REST endpoints)
• Spring Data R2DBC (reactive database access)
• H2 in memory database
• Spring Native GraalVM builds
• Routes defined with Kotlin DSL (RouteConfig.kt)
• KotlinX Serialization

Endpoints

• GET /api/v1/news -> List all news entries in database
• GET /api/v1/news/{id} -> Get specific news entry by id from database
• POST /api/v1/news -> Add news entry to database

Build & Run native image

Requirements

• GraalVM installed and set as environment variable JAVA_HOME (sdkman easiest variant)
• native-image installed (use gu) and reachable

Steps

• Build using ./gradlew :nativeCompile
• Run using ./build/native/nativeCompile/spring-boot-kotlin-reactive-example

Known Issues

• Native tests not working due to mock dependencies