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Hands-on Kubernetes on Azure, Third Edition

Hands-on Kubernetes on Azure, Third Edition

By : Nills Franssens, Gopalakrishnan, Lenz
4.5 (2)
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Hands-on Kubernetes on Azure, Third Edition

Hands-on Kubernetes on Azure, Third Edition

4.5 (2)
By: Nills Franssens, Gopalakrishnan, Lenz

Overview of this book

Containers and Kubernetes containers facilitate cloud deployments and application development by enabling efficient versioning with improved security and portability. With updated chapters on role-based access control, pod identity, storing secrets, and network security in AKS, this third edition begins by introducing you to containers, Kubernetes, and Azure Kubernetes Service (AKS), and guides you through deploying an AKS cluster in different ways. You will then delve into the specifics of Kubernetes by deploying a sample guestbook application on AKS and installing complex Kubernetes apps using Helm. With the help of real-world examples, you'll also get to grips with scaling your applications and clusters. As you advance, you'll learn how to overcome common challenges in AKS and secure your applications with HTTPS. You will also learn how to secure your clusters and applications in a dedicated section on security. In the final section, you’ll learn about advanced integrations, which give you the ability to create Azure databases and run serverless functions on AKS as well as the ability to integrate AKS with a continuous integration and continuous delivery (CI/CD) pipeline using GitHub Actions. By the end of this Kubernetes book, you will be proficient in deploying containerized workloads on Microsoft Azure with minimal management overhead.
Table of Contents (22 chapters)
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1
Foreword
Free Chapter
2
Section 1: The Basics
5
Section 2: Deploying on AKS
11
Section 3: Securing your AKS cluster and workloads
16
Section 4: Integrating with Azure managed services
21
Index

Summary

In this chapter, you added HTTPS security to the guestbook application without actually changing the source code. You started by setting up a new application gateway and configured AGIC on AKS. This gives you the ability to create Kubernetes ingresses that can be configured on the application gateway.

Then, you installed a certificate manager that interfaces with the Let's Encrypt API to request a certificate for the domain name we subsequently specified. You leveraged a certificate issuer to get the certificate from Let's Encrypt. You then reconfigured the ingress to request a certificate from this issuer in the cluster. Using these capabilities of both the certificate manager as well as the ingress, you are now able to secure your websites using TLS.

In the next chapter, you will learn how to monitor your deployments and set up alerts. You will also learn how to quickly identify root causes when errors do occur, and how to debug applications running on AKS...

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