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Kubernetes – An Enterprise Guide

You're reading from   Kubernetes – An Enterprise Guide Master containerized application deployments, integrate enterprise systems, and achieve scalability

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Product type Paperback
Published in Aug 2024
Publisher Packt
ISBN-13 9781835086957
Length 682 pages
Edition 3rd Edition
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Authors (2):
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Marc Boorshtein Marc Boorshtein
Author Profile Icon Marc Boorshtein
Marc Boorshtein
Scott Surovich Scott Surovich
Author Profile Icon Scott Surovich
Scott Surovich
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Toc

Table of Contents (22) Chapters Close

Preface 1. Docker and Container Essentials FREE CHAPTER 2. Deploying Kubernetes Using KinD 3. Kubernetes Bootcamp 4. Services, Load Balancing, and Network Policies 5. External DNS and Global Load Balancing 6. Integrating Authentication into Your Cluster 7. RBAC Policies and Auditing 8. Managing Secrets 9. Building Multitenant Clusters with vClusters 10. Deploying a Secured Kubernetes Dashboard 11. Extending Security Using Open Policy Agent 12. Node Security with Gatekeeper 13. KubeArmor Securing Your Runtime 14. Backing Up Workloads 15. Monitoring Clusters and Workloads 16. An Introduction to Istio 17. Building and Deploying Applications on Istio 18. Provisioning a Multitenant Platform 19. Building a Developer Portal 20. Other Books You May Enjoy 21. Index

Deploying a monolith

This chapter is about microservices, so why are we starting with deploying monoliths in Istio? The first answer is, because we can! There’s no reason to not get the benefits of Istio’s built-in capabilities when working with monoliths in your cluster. Even though it’s not a “microservice,” it’s still good to be able to trace through application requests, manage deployments, and so on. The second answer is, because we need to. Our microservice will need to know which user in our enterprise is calling it. To do that, Istio will need a JWT to validate. We’ll use OpenUnison to generate JWTs first so that we can call our service manually, and then so we can authenticate users from a frontend and allow it to call our service securely.

Starting with your cluster from Chapter 16, we’re now going to deploy OpenUnison. Go to the chapter17/openunison-istio directory and run deploy_openunison_istio.sh:

cd chapter17...
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