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

Chapter 2. Customizing Auto-Configuration in Spring Boot Application

Spring Boot gives us a free hand when it comes to overriding auto-configurations in each module. It doesn't force us to use default configurations. It is very opinionated about the configurations. In this chapter, we will explore how to override auto-configurations using properties and YML files.

Some days ago, one of my friends purchased a car. You know that car companies also provide full control of exterior decoration to make it look like a sports car. You could change the color combination, headlights, wheels, door LEDs, and so on. The car can be changed according to your precise specifications.

But on the other hand, most models of car can't be overridden. You have to purchase them with auto-configuration. Some car companies offer a form of auto-configuration so, you don't have to explicitly specify the colors of the external and internal body. Either the companies already applied the color customization within offers...