Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Learning Spring Boot 2.0

You're reading from   Learning Spring Boot 2.0 Simplify the development of lightning fast applications based on microservices and reactive programming

Arrow left icon
Product type Paperback
Published in Nov 2017
Publisher Packt
ISBN-13 9781786463784
Length 370 pages
Edition 2nd Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Greg L. Turnquist Greg L. Turnquist
Author Profile Icon Greg L. Turnquist
Greg L. Turnquist
Arrow right icon
View More author details
Toc

Table of Contents (11) Chapters Close

Preface 1. Quick Start with Java FREE CHAPTER 2. Reactive Web with Spring Boot 3. Reactive Data Access with Spring Boot 4. Testing with Spring Boot 5. Developer Tools for Spring Boot Apps 6. AMQP Messaging with Spring Boot 7. Microservices with Spring Boot 8. WebSockets with Spring Boot 9. Securing Your App with Spring Boot 10. Taking Your App to Production with Spring Boot

Overriding property settings in production

Everytime we take our application to a new environment, there are always settings that have to be adjusted. We don't want to edit code. Instead, it's easier if we could just override various properties. And we can!

This was touched on briefly in Chapter 1, Quick Start with Java, under the guise of overriding Spring Boot's property settings. However, the fact that we can write our own custom configuration property beans makes this a powerful feature for application customization.

To recap the rules listed in Chapter 1, Quick Start with Java, property settings can be overridden in the following order, highest to lowest:

  1. @TestPropertySource annotations on test classes.
  2. Command-line arguments.
  3. Properties found inside SPRING_APPLICATION_JSON (inline JSON embedded in an env variable or system property).
  4. ServletConfig init parameters...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image