Название: Helidon Revealed: A Practical Guide to Oracle's Microservices Framework
Автор: Michael P. Redlich
Издательство: Apress
Год: 2024
Страниц: 236
Язык: английский
Формат: pdf, epub
Размер: 10.1 MB

This book is your comprehensive introduction to Project Helidon, Oracle’s Java-based microservices framework for building cloud-native applications. The book introduces the two flavors of Helidon—Helidon SE and Helidon MP—and shows how to quickly build applications with each one.

The book begins by placing the Helidon framework in context and explaining the MicroProfile and Jakarta EE specifications that underlie the building of microservices-based applications. From there, you will learn about the individual components of Helidon SE and Helidon MP, and you will see examples of building applications for both flavors, and for MicroProfile and Jakarta EE. Finally, the book shows how to convert Helidon applications from Java bytecode into native binaries for instant application startup and peak performance.

In September 2018, Oracle introduced its new microservices framework, Project Helidon. Originally named J4C (Java for Cloud), Helidon is an open source framework and collection of Java libraries for creating microservices-based applications. Helidon, a Greek word for a swallow (a small bird with dark, glossy-blue backs, red throats, pale underparts, and long tail streamers), is unique because it was designed to be simple and fast and ships with two programming models: Helidon SE and Helidon MP. Helidon is also observable and resilient and offers full support for MicroProfile, GraalVM, and persistence. In this first chapter, you will be introduced to Helidon that includes a brief description of each programming model, its architecture and release history, and some examples on how Helidon has quickly become embedded in the Java community. You will learn more details about Helidon SE and Helidon MP and their corresponding components in Part II and Part III of this book, respectively.

What You Will Learn:
Choose correctly between Helidon SE and Helidon MP
Create starter applications using the Helidon SE and Helidon MP quick starts
Create server and client applications with Helidon SE components
Create a microservices-based application with the MicroProfile specifications
Create a database application with the Jakarta NoSQL specification

Who This Book Is For:
Java developers who create microservices applications; those interested in building such applications using the Helidon framework; and developers of microservices applications who want functionality such as native-image support through GraalVM, compatibility with MicroProfile, easy connectivity to database engines, and support for reactive development patterns.




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