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Mastering Microservices with Java 9

By : Sharma

5 (3)

Buy this Book

Mastering Microservices with Java 9

5 (3)

By: Sharma

Buy this Book

Overview of this book

Microservices are the next big thing in designing scalable, easy-to-maintain applications. They not only make app development easier, but also offer great flexibility to utilize various resources optimally. If you want to build an enterprise-ready implementation of the microservices architecture, then this is the book for you! Starting off by understanding the core concepts and framework, you will then focus on the high-level design of large software projects. You will gradually move on to setting up the development environment and configuring it before implementing continuous integration to deploy your microservice architecture. Using Spring security, you will secure microservices and test them effectively using REST Java clients and other tools like RxJava 2.0. We'll show you the best patterns, practices and common principles of microservice design and you'll learn to troubleshoot and debug the issues faced during development. We'll show you how to design and implement reactive microservices. Finally, we’ll show you how to migrate a monolithic application to microservices based application. By the end of the book, you will know how to build smaller, lighter, and faster services that can be implemented easily in a production environment.

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

A Solution Approach

Evolution of microservices

Monolithic architecture overview

Limitation of monolithic architecture versus its solution with microservices

Deployment

Summary

Setting Up the Development Environment

NetBeans IDE installation and setup

Spring Boot configuration

Sample REST program

Setting up the application build

REST API testing using the Postman Chrome extension

Summary

Domain-Driven Design

Domain-driven design fundamentals

Fundamentals of DDD

Strategic design and principles

Sample domain service

Summary

Implementing a Microservice

OTRS overview

Developing and implementing microservices

Eureka client

Testing

References

Summary

Deployment and Testing

Mandatory services for good microservices

An overview of microservice architecture using Netflix OSS

Building and running the OTRS application

Microservice deployment using containers

References

Summary

Reactive Microservices

An overview of the reactive microservice architecture

Implementing reactive microservices

References

Summary

Securing Microservices

Enabling Secure Socket Layer

Authentication and authorization

OAuth implementation using Spring Security

References

Summary

Consuming Services Using a Microservice Web Application

AngularJS framework overview

Development of OTRS features

Setting up the web application

References

Summary

Best Practices and Common Principles

Overview and mindset

Best practices and principles

Microservices frameworks and tools

References

Summary

Troubleshooting Guide

Logging and the ELK stack

Use of correlation ID for service calls

Dependencies and versions

References

Summary

Migrating a Monolithic Application to Microservice-Based Application

Do you need to migrate?

Approaches and keys to successful migration

References

Summary

Customer Reviews

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Summary

In this chapter, we have explored various practices and principles which are best-suited for microservice-based products and services. Microservice architecture is a result of cloud environments, which are being used widely in comparison to on-premises-based monolithic systems. We have identified a few of the principles related to size, agility, and testing, that have to be in place for successful implementation.

We have also got an overview of different tools used by Netflix OSS for the various key features required for successful implementation of microservice-architecture-based products and services. Netflix offers a video rental service, using the same tools successfully.

In the next chapter, readers may encounter issues and they may get stuck on those problems. The chapter explains the common problems encountered during the development of microservices, and their...