POC WebFlux-R2DBC H2-Kotlin

Test project for Spring Boot 2.3.2/Kotlin with coroutines integration and R2DBC repositories. Testcontainers (MySql or PostgerSql) can be used for testing.

Base project

stat.spring.io

• gradle (kotlin)
• kotlin
• webflux
• spring-data-r2dbc
• h2
• actuator

Versions:

• Spring Boot 2.3.2
• Gradle 6.5.1
• Kotlin 1.3.72
• MockK 1.10.0
• Testcontainers (Mysql et Postgres) 1.14.3

Extra dependencies

testImplementation("io.mockk:mockk:1.10.0")
testImplementation("org.testcontainers:postgresql:1.14.3")
testImplementation("org.testcontainers:mysql:1.14.3")

Remarks

• Unit tests and Integration tests are including (100% coverage :))
• Testcontainers can be used for tests with either MySQL or PostgreSQL just set the test application.properties property: app.test.testcontainer.db to either mysql or postgres (anything else will use h2)

Reference Documentation

For further reference, please consider the following sections:

• Official Gradle documentation
• Spring Boot Gradle Plugin Reference Guide
• Coroutines section of the Spring Framework Documentation
• Spring Data R2DBC [Experimental]
• Spring Boot Actuator

Guides

The following guides illustrate how to use some features concretely:

• R2DBC example
• Building a RESTful Web Service with Spring Boot Actuator

Additional Links

These additional references should also help you:

• Gradle Build Scans – insights for your project's build
• R2DBC Homepage