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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

This chapter introduced you to multiple network security options in AKS. You explored both securing the control plane and the workload in the cluster.

To secure the control plane, you first used authorized IP ranges to verify that only allowed public IP addresses can access the control plane of your cluster. After that, you created a new private cluster, which was only reachable using a private connection. You connected to that private cluster using Azure Private Link.

After that, you also explored workload network security. Initially, you deployed a public service, which was available for all users. You then had AKS configure Azure NSGs to secure that service only to an allowed connection. You verified that you could connect to the service from your machine, but not from a VM in Azure, as expected. Finally, you also configured Kubernetes network policies in a new cluster. You used those to protect pod-to-pod traffic and were able to secure traffic between different pods...

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