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Jakarta EE Cookbook

You're reading from   Jakarta EE Cookbook Practical recipes for enterprise Java developers to deliver large scale applications with Jakarta EE

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Product type Paperback
Published in May 2020
Publisher Packt
ISBN-13 9781838642884
Length 380 pages
Edition 2nd Edition
Languages
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Author (1):
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Elder Moraes Elder Moraes
Author Profile Icon Elder Moraes
Elder Moraes
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Table of Contents (14) Chapters Close

Preface 1. New Features and Improvements 2. Server-Side Development FREE CHAPTER 3. Building Powerful Services with JSON and RESTful Features 4. Web and Client-Server Communication 5. Security of the Enterprise Architecture 6. Reducing Coding Effort by Relying on Standards 7. Deploying and Managing Applications on Major Jakarta EE Servers 8. Building Lightweight Solutions Using Microservices 9. Using Multithreading on Enterprise Context 10. Using Event-Driven Programming to Build Reactive Applications 11. Rising to the Cloud - Jakarta EE, Containers, and Cloud Computing 12. Other Books You May Enjoy Appendix - The Power of Sharing Knowledge

Determining the state of a microservice by using the MicroProfile Health Check API

According to the Eclipse MicroProfile Health Check specification, we have the following:

"...health checks are used to determine if a computing node needs to be discarded (terminated, shutdown) and eventually replaced by another (healthy) instance."

So, when you think about the increasing granularity of distributed services in a microservice architecture, you really need to have (or should consider having) a way for your monitoring and management tools to deal with the health state of each service.

Here, in this recipe, you will learn how to use the Eclipse MicroProfile Health Check to provide endpoints that will expose the health check of your microservice in two ways: liveness and readiness.

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