Book Image

Mastering Microservices with Java 9 - Second Edition

Book Image

Mastering Microservices with Java 9 - Second Edition

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.
Table of Contents (12 chapters)

Setting up the web application

As we are planning to use the latest technology stack for our UI application development, we will use Node.js and npm (Node.js package manager) that provide the open-source runtime environment for developing the server-side JavaScript web application.

I would recommend to go through this section once. It will introduce you to JavaScript build tooling and stacks. However, you can skip it if you know the JavaScript build tools or do not want to explore them.

Node.js is built on Chrome's V8 JavaScript engine and uses an event-driven, non-blocking I/O, which makes it lightweight and efficient. The default package manager of Node.js, npm, is the largest ecosystem of open-source libraries. It allows the installation of Node.js programs and makes it easier to specify and link dependencies:

  1. First, we need to install npm if it's not already installed...