Book Image

Learning Spring Boot 2.0 - Second Edition

By : Greg L. Turnquist, Greg L. Turnquist
Book Image

Learning Spring Boot 2.0 - Second Edition

By: Greg L. Turnquist, Greg L. Turnquist

Overview of this book

Spring Boot provides a variety of features that address today's business needs along with today's scalable requirements. In this book, you will learn how to leverage powerful databases and Spring Boot's state-of-the-art WebFlux framework. This practical guide will help you get up and running with all the latest features of Spring Boot, especially the new Reactor-based toolkit. The book starts off by helping you build a simple app, then shows you how to bundle and deploy it to the cloud. From here, we take you through reactive programming, showing you how to interact with controllers and templates and handle data access. Once you're done, you can start writing unit tests, slice tests, embedded container tests, and even autoconfiguration tests. We go into detail about developer tools, AMQP messaging, WebSockets, security, and deployment. You will learn how to secure your application using both routes and method-based rules. By the end of the book, you'll have built a social media platform from which to apply the lessons you have learned to any problem. If you want a good understanding of building scalable applications using the core functionality of Spring Boot, this is the book for you.
Table of Contents (11 chapters)

Working with additional Actuator endpoints

Spring Boot Actuator provides lots of extra data. The following table is a quick summary:

Actuator Endpoint



Exposes audit events for the current application


Reports what Spring Boot did and didn't autoconfigure and why


Reports all the beans configured in the application context (including ours as well as the ones autoconfigured by Boot)


Exposes all configuration properties


Reports on the current system environment


A simple endpoint to check the life of the app


Returns a GZip-compressed hprof heap dump file (hprof is a tool by every JDK)


Serves up custom content from the app


Returns the contents of the logfile (assuming logging.file or logging.path has been set)


Lists all configured...