Book Image

Mastering Spring Boot 2.0

By : Dinesh Rajput
Book Image

Mastering Spring Boot 2.0

By: Dinesh Rajput

Overview of this book

Spring is one of the best frameworks on the market for developing web, enterprise, and cloud ready software. Spring Boot simplifies the building of complex software dramatically by reducing the amount of boilerplate code, and by providing production-ready features and a simple deployment model. This book will address the challenges related to power that come with Spring Boot's great configurability and flexibility. You will understand how Spring Boot configuration works under the hood, how to overwrite default configurations, and how to use advanced techniques to prepare Spring Boot applications to work in production. This book will also introduce readers to a relatively new topic in the Spring ecosystem – cloud native patterns, reactive programming, and applications. Get up to speed with microservices with Spring Boot and Spring Cloud. Each chapter aims to solve a specific problem or teach you a useful skillset. By the end of this book, you will be proficient in building and deploying your Spring Boot application.
Table of Contents (23 chapters)
Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
Index

Implementing Cloud Config Server


Let's implement an application main class that has more special annotations. Here, @SpringBootApplication will pull all the default and required configurations, and another annotation, @EnableConfigServer, will turn our application into a configuration server:

package com.dineshonjava.cloudconfigapp; 
 
import org.springframework.boot.SpringApplication; 
import org.springframework.boot.autoconfigure.SpringBootApplication; 
import org.springframework.cloud.config.server.EnableConfigServer; 
 
@SpringBootApplication 
@EnableConfigServer 
public class CloudConfigApplication { 
   public static void main(String[] args) { 
         SpringApplication.run(CloudConfigApplication.class, args); 
   } 
} 

As you can, this enables the application as a configuration server. But by default, the server port will be 8080. We can change this default port configuration, and we have to provide the Git URI, which provides our version-controlled configuration content. Let's look...