Book Image

Docker Orchestration

By : Arbezzano, Randall Smith
Book Image

Docker Orchestration

By: Arbezzano, Randall Smith

Overview of this book

Docker orchestration is what you need when transitioning from deploying containers individually on a single host to deploying complex multi-container apps on many machines. This book covers the new orchestration features of Docker 1.12 and helps you efficiently build, test, and deploy your application using Docker. You will be shown how to build multi-container applications using Docker Compose. You will also be introduced to the building blocks for multi-host Docker clusters such as registry, overlay networks, and shared storage using practical examples. This book gives an overview of core tools such as Docker Machine, Swarm, and Compose which will enhance your orchestration skills. You’ll learn how to set up a swarm using the decentralized building block. Next, you’ll be shown how to make the most out of the in-built orchestration feature of Docker engine and you’ll use third-party tools such as Kubernetes, Mesosphere, and CoreOS to orchestrate your existing process. Finally, you will learn to deploy cluster hosts on cloud services and automate your infrastructure.
Table of Contents (11 chapters)

Preface

Docker containers are a powerful tool for building and deploying services consistently and reliably. As the number of containers increases, they also become a problem to manage. The problem is only exasperated when the containers are run on multiple hosts. This book shows you how to get started bringing order to the chaos through orchestration.

This book starts by showing you how to get started with Docker then delves into the building blocks that are needed for a Docker cluster. It shows you how to use the "Big Three" orchestration tools—Docker Swarm, Kubernetes, and Mesosphere. It will also introduce two additional tools, Fleet and Cattle, which can be simpler to use and install, but very powerful.

Finally, you will be introduced to tools that make life simpler for people managing clusters and developers creating images that will be run. You will explore tools to monitor clusters and see where the performance bottlenecks are. You will see how to use continuous integration to consistently and reliably build, test, and deploy Docker images. Finally, this book will show you how to apply the same principles to the hosts that Docker is running on.