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Hands-On Cloud-Native Microservices with Jakarta EE

By : Luigi Fugaro, Mauro Vocale

5 (1)

Buy this Book

Hands-On Cloud-Native Microservices with Jakarta EE

5 (1)

By: Luigi Fugaro, Mauro Vocale

Buy this Book

Overview of this book

Businesses today are evolving rapidly, and developers now face the challenge of building applications that are resilient, flexible, and native to the cloud. To achieve this, you'll need to be aware of the environment, tools, and resources that you're coding against. The book will begin by introducing you to cloud-native architecture and simplifying the major concepts. You'll learn to build microservices in Jakarta EE using MicroProfile with Thorntail and Narayana LRA. You'll then delve into cloud-native application x-rays, understanding the MicroProfile specification and the implementation/testing of microservices. As you progress further, you'll focus on continuous integration and continuous delivery, in addition to learning how to dockerize your services. You'll also cover concepts and techniques relating to security, monitoring, and troubleshooting problems that might occur with applications after you've written them. By the end of this book, you will be equipped with the skills you need to build highly resilient applications using cloud-native microservice architecture.

Preface

Who this book is for

What this book covers

To get the most out of this book

Get in touch

Free Chapter

Jakarta EE - the New Open Source Life of Java EE

Open source

The Java programming language

OpenJDK 9 and 10 – key features for cloud environments

Java EE – MicroProfile.io – Jakarta EE

Summary

Microservices and Reactive Architecture

MicroProfile and the principles of MSA

SOA versus MSA

From monolith to microservices

Reactive systems and reactive programming

Summary

Cloud-Native Applications

Twelve-factor applications

Microservices

Runtime environments

Summary

Building Microservices Using Thorntail

Thorntail

Fractions

Flexible configuration

Building a fantasy football application

The football player microservice

Summary

Eclipse MicroProfile and Transactions - Narayana LRA

Transactions

Transactions in microservices architecture

The saga pattern

Saga implementations

MicroProfile LRA

Summary

Linux Containers

Containers

Docker

football-player-microservice

football-player-ui

Kubernetes

Summary

Platform as a Service

An introduction to OpenShift

OKD

Templates

Networking

Monitoring

Summary

Microservices Patterns

Decomposition

API gateway

Bulkhead

Circuit breaker

Sidecar

Summary

Deployment

Continuous integration and continuous delivery

Blue-green deployment

Canary deployment

A/B testing deployment

Rolling deployment

Summary

Monitoring

Prometheus

Node-exporter

Grafana

Summary

Building Microservices Using Spring Boot 2

Spring Boot

Building Spring Boot microservices

Building Microservices Using Vert.X

Vert.x

Building a football player microservice

The football player microservice – Vert.x + RxJava

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Building Microservices Using Vert.X

In Chapter 2, Microservices and Reactive Architecture, we spoke about reactive systems and reactive architectures, and how this approach differs from the traditional Java EE/Jakarta EE development model.

One of the main differences is that the reactive development model is event-driven and asynchronous by default. So, there is no way to implement I/O blocking code, and the usage of the kernel thread is very low.

In order to compare the different development choices made by the two architectural platforms, we will try to analyze how to realize, through Eclipse Vert.x, the same microservices developed in the previous chapters.

You will find the code described in this chapter in this GitHub repository https://github.com/PacktPublishing/Hands-On-Cloud-Native-Microservices-with-Jakarta-EE/tree/master/appendix-B.

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