Build web application in Vert.x [Part 1/ ♾️]

curl -G https://start.vertx.io/starter.zip -d "groupId=com.example" -d "artifactId=starter" -d "vertxVersion=4.4.4" -d "vertxDependencies=vertx-web,vertx-web-client,vertx-web-graphql,vertx-web-sstore-redis,vertx-web-sstore-cookie,vertx-web-validation,vertx-web-openapi,vertx-service-discovery,vertx-circuit-breaker,vertx-config,vertx-kafka-client,vertx-consul-client,vertx-tcp-eventbus-bridge,vertx-micrometer-metrics,vertx-health-check,vertx-junit5,vertx-zookeeper,vertx-grpc-server,vertx-grpc-client,vertx-service-proxy,vertx-grpc-context-storage,vertx-http-service-factory,vertx-json-schema,vertx-shell" -d "language=java" -d "jdkVersion=11" -d "buildTool=gradle" --output starter.zip 

import io.vertx.core.AbstractVerticle; import io.vertx.core.Promise; import io.vertx.ext.healthchecks.HealthCheckHandler; import io.vertx.ext.healthchecks.HealthChecks; import io.vertx.ext.web.Router; public class MainVerticle extends AbstractVerticle { @Override public void start(Promise<Void> startPromise) throws Exception { HealthCheckHandler healthCheckHandler = HealthCheckHandler .createWithHealthChecks(HealthChecks.create(vertx)); HealthCheckManager.configureHealthChecks(healthCheckHandler); Router router = Router.router(vertx); router.get("/ping").handler(healthCheckHandler); router.get("/*").handler(routingContext -> { routingContext.response() .putHeader("content-type", "text/plain; charset=utf-8") .end("Hello smolthing \uD83D\uDCA9."); }); vertx.createHttpServer().requestHandler(router).listen(8888, http -> { if (http.succeeded()) { startPromise.complete(); System.out.println("HTTP server is running on port 8888"); } else { startPromise.fail(http.cause()); } }); } } 

import io.vertx.ext.healthchecks.HealthCheckHandler; import io.vertx.ext.healthchecks.Status; public class HealthCheckManager { public static void configureHealthChecks(HealthCheckHandler healthCheckHandler) { healthCheckHandler.register("App connection", promise -> { promise.complete(Status.OK()); }); } }