Simple Vert.x Webapp

VertxApplication.kt

import io.vertx.core.Vertx
import io.vertx.core.json.Json
import io.vertx.ext.web.Router

data class Person(
        val name: String,
        val nationality: String
) {
}

fun main(args : Array<String>) {
    val vertx = Vertx.vertx()
    var server = vertx.createHttpServer()
    val router = Router.router(vertx)
    router.get("/users").handler({routingContext ->
        routingContext.response()
                .putHeader("content-type", "application/json; charset=utf-8")
                .end(Json.encode(Person("Franz", "HK")));
    })

    server.requestHandler({ router.accept(it) }).listen(8080)
}