spring-boot, spring-webflux using dynamic groovy
./gradlew bootRun
http :8080/api/v1/messages message=hello
http :8080/api/v1/messages message=world
http :8080/api/v1/messages
http :8080[NOTE]
For better developer experience during testing, use idea cURL integration tests from rest-client* files. Read more: https://www.jetbrains.com/help/idea/http-client-in-product-code-editor.html