What this book covers

Chapter 1, CoreOS, Yet Another Linux Distro?, explains the basics of containers, dockers, and high-level architecture of CoreOS.

Chapter 2, Setting Up Your CoreOS Environment, teaches you how to set up and run CoreOS with a single machine using Vagrant and VirtualBox. It also covers how to create and run docker images and get familiarized with the important configuration files and their contents.

Chapter 3, Creating Your CoreOS Cluster and Managing the Cluster, teaches you how to set up the CoreOS cluster with multiple machines. You will also learn how machines are discovered and services are scheduled on those machines. Also, you will learn about starting and stopping a service using Fleet.

Chapter 4, Managing Services with User-Defined Constraints, gives an introduction about service constraints, which helps to deploy services on suitable members.

Chapter 5, Discovering Services Running in Cluster, explains the need and mechanism for the discovery of services running on a cluster. Also, you will learn about two important tools, which are used widely for service discovery: etcdctl and curl.

Chapter 6, Service Chaining and Networking Across Services, explains the importance of the container communications and the various possibilities provided by CoreOS and docker to provide the communication.

Chapter 7, Creating a Virtual Tenant Network and Service Chaining Using OVS, explains the importance of OVS in container communications and the various advantages provided by OVS. The chapter details how the services deployed by different customers/tenants across the CoreOS cluster can be linked/connected using OVS.

Chapter 8, What Next?, touches upon some advanced Docker and Core OS topics and also discusses about what is coming up in CoreOS.