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Learn how to build cloud-native microservices with Helidon – an open-source Java framework from Oracle. This book will show you how to take full advantage of the cloud by optimizing applications with fast start times, low memory consumption, and a small disk footprint.
The open-source Helidon framework provides all that, and more. It’s based on Java 17, giving you full access to new code features. This book reveals how Helidon also supports modern enterprise Java standards such as MicroProfile. Plus, you’ll see how Helidon lets you use GraalVM to build lightning-fast native executables, and its unique reactive layer allows you to develop efficient low-level APIs.
Each chapter in the book teaches a new Helidon concept through practical examples based on real-life use-cases. You’ll learn how to add observability and security to your microservices, how to work with databases, and call other services. You’ll also look at all MicroProfile 5.0 platform specifications aswell as some stand-alone specs such as Messaging and Long Running Actions. Best of all, everything covered in this book makes it a great study guide for the upcoming Oracle Helidon certification – the perfect way to prove your new skills to a prospective employer!
What You’ll Learn
Package microservices using JLink and GraalVM
Deploy microservices to Kubernetes
Review MicroProfile 5.0 specifications in detail
Understand the basics of Helidon Reactive APIs
Who This Book Is For
Developers and architects who want to start developing cloud-native applications; developers who already use different Java framework and want to learn about Helidon; those interested in developing portable applications using MicroProfile and Jakarta EE
Author Biography
Dmitry Kornilov is the Director of Software Development at Oracle. He is leading the project Helidon and actively participating in Jakarta EE and MicroProfile communities. Dmitry is an open-source enthusiast and speaker who has earned the “Star Spec Lead” and “Outstanding Spec Lead” awards.
Daniel Kec is a Java Developer at Oracle working on the Helidon project.
Dmitry Aleksandrov is a software developer at Oracle, Java Champion, and Oracle Groundbreaker. He is currently working on Project Helidon. He is a co-lead of the Bulgarian Java User Group and co-organizer of jPrime Conf.
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