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The Kubernetes Workshop

The Kubernetes Workshop

By : Zachary Arnold , Sahil Dua , Wei Huang , Faisal Masood, Mélony Qin, Mohammed Abu Taleb
4.9 (9)
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The Kubernetes Workshop

The Kubernetes Workshop

4.9 (9)
By: Zachary Arnold , Sahil Dua , Wei Huang , Faisal Masood, Mélony Qin, Mohammed Abu Taleb

Overview of this book

Thanks to its extensive support for managing hundreds of containers that run cloud-native applications, Kubernetes is the most popular open source container orchestration platform that makes cluster management easy. This workshop adopts a practical approach to get you acquainted with the Kubernetes environment and its applications. Starting with an introduction to the fundamentals of Kubernetes, you’ll install and set up your Kubernetes environment. You’ll understand how to write YAML files and deploy your first simple web application container using Pod. You’ll then assign human-friendly names to Pods, explore various Kubernetes entities and functions, and discover when to use them. As you work through the chapters, this Kubernetes book will show you how you can make full-scale use of Kubernetes by applying a variety of techniques for designing components and deploying clusters. You’ll also get to grips with security policies for limiting access to certain functions inside the cluster. Toward the end of the book, you’ll get a rundown of Kubernetes advanced features for building your own controller and upgrading to a Kubernetes cluster without downtime. By the end of this workshop, you’ll be able to manage containers and run cloud-based applications efficiently using Kubernetes.
Table of Contents (20 chapters)
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Preface

Ingress

Ingress is an object that defines rules that are used to manage external access to the Services in a Kubernetes cluster. Typically, Ingress acts like a middleman between the internet and the Services running inside a cluster:

Figure 8.17: Ingress

You will learn much more about Ingress and the major motivations for using it in Chapter 12, Your Application and HA. Due to this, we will not cover the implementation of Ingress here.

Now that we have learned about the different types of Services in Kubernetes, we will implement all of them to get an idea of how they would work together in a real-life scenario.

Activity 8.01: Creating a Service to Expose the Application Running on a Pod

Consider a scenario where the product team you're working with has created a survey application that has two independent and decoupled components – a frontend and a backend. The frontend component of the survey application renders the survey forms and needs...

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