Book Image

Developing Java Applications with Spring and Spring Boot

By : Claudio Eduardo de Oliveira, Greg L. Turnquist, Alex Antonov
Book Image

Developing Java Applications with Spring and Spring Boot

By: Claudio Eduardo de Oliveira, Greg L. Turnquist, Alex Antonov

Overview of this book

Spring Framework has become the most popular framework for Java development. It not only simplifies software development but also improves developer productivity. This book covers effective ways to develop robust applications in Java using Spring. The course is up made of three modules, each one having a take-away relating to building end-to-end java applications. The first module takes the approach of learning Spring frameworks by building applications.You will learn to build APIs and integrate them with popular fraemworks suh as AngularJS, Spring WebFlux, and Spring Data. You will also learn to build microservices using Spring's support for Kotlin. You will learn about the Reactive paradigm in the Spring architecture using Project Reactor. In the second module, after getting hands-on with Spring, you will learn about the most popular tool in the Spring ecosystem-Spring Boot. You will learn to build applications with Spring Boot, bundle them, and deploy them on the cloud. After learning to build applications with Spring Boot, you will be able to use various tests that are an important part of application development. We also cover the important developer tools such as AMQP messaging, websockets, security, and more. This will give you a good functional understanding of scalable development in the Spring ecosystem with Spring Boot. In the third and final module, you will tackle the most important challenges in Java application development with Spring Boot using practical recipes. Including recipes for testing, deployment, monitoring, and securing your applications. This module will also address the functional and technical requirements for building enterprise applications. By the end of the course you will be comfortable with using Spring and Spring Boot to develop Java applications and will have mastered the intricacies of production-grade applications.
Table of Contents (34 chapters)
Title Page - Courses
Copyright and Credits - Courses
Packt Upsell - Courses
Preface
Bibliography
Index

Spring Cloud Zuul


The Spring Cloud Gateway is the natural choice when we adopt the microservices architecture, but nowadays the Spring Cloud Gateway does not have support enabled for service discovery features, such as the Eureka server. It means we will have to configure it route by route. This does not sound good.

We have the Zuul proxy as a gateway for our microservices environment, but keep in mind the Spring Cloud Gateway is the best choice when the project has support for service discovery.

Let's create the Zuul proxy project.

Understanding the EDGE service project

The EDGE service is a service that provides dynamic routing, monitoring, resiliency, and security. The basic idea here is to create a reverse proxy for our microservices. 

This service will act as a proxy for our microservices and will be exposed as a central access point. The Spring Cloud Zuul integrates with the Eureka server. It will increase our resiliency because we will use the service discovery feature provided by the...