Quarkus

quarkus

Quarkus is a Kubernetes native Java framework tuned for OpenJDK HotSpot and GraalVM. Quarkus aims to become the leading Java platform for building Kubernetes and serverless environments. Thanks to its capabilities, developers can leverage unified reactive and imperative programming model to create a wide range of distributed application architectures.

The latest version of Quarkus is 3.4.1

<dependencies>
  <dependency>
    <groupId>io.quarkus</groupId>
    <artifactId>quarkus-bom</artifactId>
    <version>3.4.1</version>
    <type>pom</type>
    <scope>import</scope>
  </dependency>
</dependencies>

 

Learn Quarkus through the following steps:

The Basics

Getting started with QuarkusIO

Development with Quarkus

Learning Quarkus Command Line

Creating Quarkus projects using IntelliJ IDEA

How to create Quarkus Command Mode applications

Container and Cloud

Building Container-ready native applications with Quarkus

Deploying Quarkus applications on OpenShift

How to run Quarkus applications on Kubernetes

Persistence

Getting started with Quarkus and Hibernate

Data Persistence with Quarkus and Hibernate Panache

Zero Config Database configuration with Quarkus (DevServices)

Testing

A practical guide for testing Quarkus applications

Web UI

Qute: a template for Quarkus Web applications

Reactive Programming

Reactive REST with Quarkus made easy

Getting started with Hibernate reactive on Quarkus

Quarkus Reactive messaging with Kafka

Quarkus Reactive messaging with AMQ

Monitoring

Monitoring Quarkus with Prometheus

Monitoring Quarkus runtime with DevUI

Are you going for a Quarkus Interview? check this: Quarkus Interview Questions

Securing Quarkus with Elytron Database Realm

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Quarkus security includes several extensions from Elytron. In this tutorial we will learn how to use the Database Realm Authentication with a simple REST Service. Our project will perform authentication against the H2 in-memory database. In order to bootstrap our project we will need the following extensions mvn io.quarkus:quarkus-maven-plugin:1.0.0.CR1:create \ -DprojectGroupId=com.mastertheboss \ -DprojectArtifactId=quarkus-jdbc-realm \ -DclassName=”com.mastertheboss.SecuredResource” … Read more

Using Servlet Context in Quarkus

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Quarkus includes the undertow extension, therefore it’s fully capable of delivering Servlet applications. In this example, we will show how to use the ServletContext in a REST Application. One challenge is that you cannot @Inject the ServletContext directly as you would do it in a Jave EE environment. Nevertheless you can count on the JAX-RS … Read more

Scheduling periodic Tasks in Quarkus

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Quarkus does not provide support for EJB therefore you cannot rely on EJB Timers to schedule simple tasks. However, thanks to the extension quarkus-scheduler it is very simple to add this functionality. Let’s create a simple project with Quarkus Maven plugin: mvn io.quarkus:quarkus-maven-plugin:0.19.1:create \ -DprojectGroupId=com.sample \ -DprojectArtifactId=demo-scheduler \ -DclassName=”com.sample.CountEndpoint” \ -Dpath=”/count” \ -Dextensions=”scheduler” By the … Read more

Creating an Ajax front-end to a Quarkus REST application

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In this article we will check out how query a REST Service running with Quarkus with a minimal Ajax and jQuery client. Quarkus applications can be quickly bootstrapped using the Maven or Gradle plugin available. The plugin will generate a minimal project structure with a sample REST Endpoint and the Quarkus’s Maven dependencies included in … Read more