Book Image

Hands-On Kubernetes on Azure - Second Edition

By : Nills Franssens, Shivakumar Gopalakrishnan, Gunther Lenz
Book Image

Hands-On Kubernetes on Azure - Second Edition

By: Nills Franssens, Shivakumar Gopalakrishnan, Gunther Lenz

Overview of this book

From managing versioning efficiently to improving security and portability, technologies such as Kubernetes and Docker have greatly helped cloud deployments and application development. Starting with an introduction to Docker, Kubernetes, and Azure Kubernetes Service (AKS), this book will guide you through deploying an AKS cluster in different ways. You’ll then explore the Azure portal 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 application and cluster. As you advance, you'll understand how to overcome common challenges in AKS and secure your application with HTTPS and Azure AD (Active Directory). Finally, you’ll explore serverless functions such as HTTP triggered Azure functions and queue triggered functions. By the end of this Kubernetes book, you’ll be well-versed with the fundamentals of Azure Kubernetes Service and be able to deploy containerized workloads on Microsoft Azure with minimal management overhead.
Table of Contents (16 chapters)
1
Section 1: The Basics
4
Section 2: Deploying on AKS
10
Section 3: Leveraging advanced Azure PaaS services
15
Index

Summary

In this chapter, we added HTTPS security and identity control to our guestbook application without actually changing the source code. We started by getting the Kubernetes Ingress objects set up in our cluster. Then, we installed a certificate manager that interfaces with the Let's Encrypt API to request a certificate for the domain name we subsequently specified. We leveraged a certificate issuer to get the certificate from Let's Encrypt. We then reconfigured our Ingress to request a certificate from this issuer in the cluster.

Then, we jumped into authentication and authorization and showed you how to leverage Azure AD as an authentication provider for the guestbook application. You learned how to secure your applications on an enterprise scale. By integrating with Azure AD, you can enable any application to link to an organization's AD.

In the next chapter, you will learn how to monitor your deployments and set up alerts. You will also learn how to quickly...