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Pro Cloud Native Java EE Apps: DevOps with MicroProfile, Jakarta EE 10 APIs, and Kubernetes
book

Pro Cloud Native Java EE Apps: DevOps with MicroProfile, Jakarta EE 10 APIs, and Kubernetes

by Luqman Saeed, Ghazy Abdallah
November 2022
Beginner to intermediate
369 pages
7h 42m
English
Apress
Content preview from Pro Cloud Native Java EE Apps: DevOps with MicroProfile, Jakarta EE 10 APIs, and Kubernetes
© Luqman Saeed and Ghazy Abdallah 2022
L. Saeed, G. AbdallahPro Cloud Native Java EE Appshttps://doi.org/10.1007/978-1-4842-8900-6_10

10. Taking a Pulse with Heal Check

Luqman Saeed1   and Ghazy Abdallah2
(1)
Cantonments, Accra, Ghana
(2)
Alwakra, Qatar
 

Applications packaged as container images and deployed to the cloud are mostly managed by automated scheduling and deployment systems like Kubernetes. These systems will kill unhealthy containers, spawn new ones, and route requests to the requisite containers, all automatically. To help achieve these, the deployment manager will need to be able to probe the application instance for some health-related information.

A kubelet (the Kubernetes “agent”) will probe a container to check if it’s live and ready ...
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Publisher Resources

ISBN: 9781484289006Purchase LinkPublisher Website