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Learn Docker - Fundamentals of Docker 18.x

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

View More author details

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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Summary

In this chapter, we introduced the tool docker-compose. This tool is mostly used to run and scale multi-service applications on a single Docker host. Typically, developers and CI servers work with single hosts and those two are the main users of Docker Compose. The tool is using YAML files as input that contain the description of the application in a declarative way.

The tool can also be used to build and push images among many other helpful tasks. The code accompanying this chapter can be found in labs/ch08.

In the next chapter, we are going to introduce orchestrators. An orchestrator is an infrastructure software that is used to run and manage containerized applications in a cluster and it makes sure that these applications are in their desired state at all the time.

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Authors (1)

Dr. Gabriel N. Schenker

Dr. Gabriel N. Schenker

Dr. Gabriel N. Schenker has more than 25 years of experience as an independent consultant, architect, leader, trainer, mentor, and developer. Currently, Gabriel works as Lead Solution Architect at Techgroup Switzerland. Prior to that, Gabriel worked as Lead Curriculum Developer at Docker and at Confluent. Gabriel has a Ph.D. in Physics, and he is a Docker Captain, a Certified Docker Associate, a Certified Kafka Developer and Operator, and an ASP Insider. When not working, Gabriel enjoys time with his wonderful wife Veronicah and his children.

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