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You're reading from Learn Docker - Fundamentals of Docker 18.x Everything you need to know about containerizing your applications and running them in production

Product type Paperback

Published in Apr 2018

Publisher Packt

ISBN-13 9781788997027

Length 398 pages

Edition 1st Edition

Tools

Docker

Concepts

Containerization

Author (1):

Dr. Gabriel N. Schenker

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Table of Contents (17) Chapters

Preface

1. What Are Containers and Why Should I Use Them? FREE CHAPTER

2. Setting up a Working Environment

3. Working with Containers

4. Creating and Managing Container Images

5. Data Volumes and System Management

6. Distributed Application Architecture

7. Single-Host Networking

8. Docker Compose

9. Orchestrators

10. Introduction to Docker Swarm

11. Zero Downtime Deployments and Secrets

12. Introduction to Kubernetes

13. Deploying, Updating, and Securing an Application with Kubernetes

14. Running a Containerized App in the Cloud

15. Assessment

16. Other Books You May Enjoy

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Overview of popular orchestrators

At the time of writing, there are many orchestration engines out there and in use. But there are a few clear winners. The number one spot is clearly held by Kubernetes, which reigns supreme. A distant second is Docker's own SwarmKit, followed by others such as Apache Mesos, AWS Elastic Container Service (ECS), or Microsoft Azure Container Service (ACS).

Kubernetes

Kubernetes was originally designed by Google and later donated to the Cloud Native Computing Foundation (CNCF). Kubernetes was modeled after Google's proprietary Borg system, which has been running containers on supermassive scale for years. Kubernetes was Google's attempt to go back to the drawing board and completely start over and design a system that incorporates all the lessons learned with Borg.

Contrary to Borg, which is proprietary technology, Kubernetes was open sourced early on. This was a very wise choice by Google, since it attracted a huge number of contributors from outside of the company...