Book Image

Hands-On Cloud-Native Applications with Java and Quarkus

By : Francesco Marchioni
Book Image

Hands-On Cloud-Native Applications with Java and Quarkus

By: Francesco Marchioni

Overview of this book

Quarkus is a new Kubernetes-native framework that allows Java developers to combine the power of containers, microservices, and cloud-native to build reliable applications. The book is a development guide that will teach you how to build Java-native applications using Quarkus and GraalVM. We start by learning about the basic concepts of a cloud-native application and its advantages over standard enterprise applications. Then we will quickly move on to application development, by installing the tooling required to build our first application on Quarkus. Next, we’ll learn how to create a container-native image of our application and execute it in a Platform-as-a-Service environment such as Minishift. Later, we will build a complete real-world application that will use REST and the Contexts and Dependency injection stack with a web frontend. We will also learn how to add database persistence to our application using PostgreSQL. We will learn how to work with various APIs available to?Quarkus?such as Camel, Eclipse MicroProfile, and Spring DI. Towards the end, we will learn advanced development techniques such as securing applications, application configuration, and working with non-blocking programming models using Vert.x. By the end of this book, you will be proficient with all the components of Quarkus and develop-blazing fast applications leveraging modern technology infrastructure.
Table of Contents (15 chapters)
Free Chapter
Section 1: Getting Started with Quarkus
Section 2: Building Applications with Quarkus
Section 3: Advanced Development Tactics

Making data persistence easier using Panache API

Hibernate ORM is the standard way to map database structures into Java objects. The main downside of using an ORM tool is that even a simple database structure requires lots of boilerplate code (such as getter and setters methods). Also, you have to include basic query methods in your repository classes, which makes the work quite repetitive. In this section, we will learn how to use Hibernate Panache to simplify and accelerate the development of our applications.

To get started with Hibernate ORM with Panache, let's check the second example for this chapter, which is located in the Chapter05/hibernate-panache folder in this book's GitHub repository. We recommend importing the project into your IDE before you move on.

If you take a look at the project's configuration, you will see that we have included quarkus-hibernate...