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Mastering Elastic Kubernetes Service on AWS

Mastering Elastic Kubernetes Service on AWS

By : Malcolm Orr, Yang-Xin Cao, Yang-Xin Cao (Eason)
4.9 (23)
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Mastering Elastic Kubernetes Service on AWS

Mastering Elastic Kubernetes Service on AWS

4.9 (23)
By: Malcolm Orr, Yang-Xin Cao, Yang-Xin Cao (Eason)

Overview of this book

Kubernetes has emerged as the de facto standard for container orchestration, with recent developments making it easy to deploy and handle a Kubernetes cluster. However, a few challenges such as networking, load balancing, monitoring, and security remain. To address these issues, Amazon EKS offers a managed Kubernetes service to improve the performance, scalability, reliability, and availability of AWS infrastructure and integrate with AWS networking and security services with ease. You’ll begin by exploring the fundamentals of Docker, Kubernetes, Amazon EKS, and its architecture along with different ways to set up EKS. Next, you’ll find out how to manage Amazon EKS, encompassing security, cluster authentication, networking, and cluster version upgrades. As you advance, you’ll discover best practices and learn to deploy applications on Amazon EKS through different use cases, including pushing images to ECR and setting up storage and load balancing. With the help of several actionable practices and scenarios, you’ll gain the know-how to resolve scaling and monitoring issues. Finally, you will overcome the challenges in EKS by developing the right skill set to troubleshoot common issues with the right logic. By the end of this Kubernetes book, you’ll be able to effectively manage your own Kubernetes clusters and other components on AWS.
Table of Contents (28 chapters)
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1
Part 1: Getting Started with Amazon EKS
7
Part 2: Deep Dive into EKS
13
Part 3: Deploying an Application on EKS
20
Part 4: Advanced EKS Service Mesh and Scaling
24
Part 5: Overcoming Common EKS Challenges

Building a custom AMI for EKS

There are a number of reasons why you may want to use a custom AMI—for example, security hardening, updates to Kubernetes agent binaries, and so on. There are also many ways you can do this, but we are going to look at using Packer from HashiCorp (https://learn.hashicorp.com/packer), which is an open source tool that can be used to create a number of different types of operating system images. Here are the steps:

  1. In the first step, we need to install Packer on our workstation using the following link: https://learn.hashicorp.com/collections/packer/aws-get-started. This will then allow us to create a custom AMI.
  2. You can then clone the following Git repository and change into the new amazon-eks-ami directory: https://github.com/awslabs/amazon-eks-ami. This is the same process used to create official AMIs.
  3. From the root of the cloned repository, you can now run the make command shown next to create a basic 1.21 AMI (ensure the region...

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