* Explore the new features added to the core Docker Engine to make multi-container orchestration easy
* Leverage tools such as Docker Machine, Swarm, Compose, and third-party tools such as Kubernetes, Mesosphere, and CoreOS to orchestrate containers
* Use Docker Compose with Swarm and more » apply rolling updates for zero downtime deployments
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. What you will learn Build scalable, reliable services with Docker See how to manage a service in Docker using Docker Swarm, Kubernetes, and Mesosphere Discover simpler orchestration tools such as CoreOS/Fleet and Rancher Cattle Understand cluster-wide logging, system monitoring, and troubleshooting Build, test, and deploy containers using Continuous Integration Deploy cluster hosts on cloud services and automate your infrastructure About the Author Randall Smith is a senior systems administrator at Adams State University. He has been administering Windows, Linux, and BSD systems since « less
With Docker, CoreOS Linux, and Other Platforms
Take container cluster management to the next level; learn how to administer and configure Kubernetes on CoreOS; and apply suitable management design patterns such as Configmaps, Autoscaling, elastic resource usage, and high availability. Some of the other features discussed are logging, scheduling, more » rolling updates, volumes, service types, and multiple cloud provider zones.The atomic unit of modular container service in Kubernetes is a Pod, which is a group of containers with a common filesystem and networking. The Kubernetes Pod abstraction enables design patterns for containerized applications similar to object-oriented design patterns. Containers provide some of the same benefits as software objects such as modularity or packaging, abstraction, and reuse.
CoreOS Linux is used in the majority of the chapters and other platforms discussed are CentOS with OpenShift, Debian 8 (jessie) on AWS, and Debian 7 for Google Container Engine.
CoreOS is the main focus becayse Docker is pre-installed on CoreOS out-of-the-box. CoreOS: * Supports most cloud providers (including Amazon AWS EC2 and Google Cloud Platform) and virtualization platforms (such as VMWare and VirtualBox)
* Provides Cloud-Config for declaratively configuring for OS items such as network configuration (flannel), storage (etcd), and user accounts
* Provides a production-level infrastructure for containerized applications including automation, security, and scalability
* Leads the drive for container industry standards and founded appc
* Provides the most advanced container registry, Quay
Docker was made available as open source in March 2013 and has become the most commonly used containerization platform. Kubernetes was open-sourced in June 2014 and has become the most widely used container cluster manager. The first stable version of CoreOS Linux was made available in July 2014 and since has become one of the most commonly used operating system for containers.
What You'll Learn
* Use Kubernetes with Docker
* Create a Kubernetes cluster on CoreOS on AWS
* Apply cluster management design patterns
* Use multiple cloud provider zones
* Work with Kubernetes and tools like Ansible
* Discover the Kubernetes-based PaaS platform OpenShift
* Create a high availability website
* Build a high availability Kubernetes master cluster
* Use volumes, configmaps, services, autoscaling, and rolling updates
* Manage compute resources
* Configure logging and scheduling
Who This Book Is For
Linux admins, CoreOS admins, application developers, and container as a service (CAAS) developers. Some pre-requisite knowledge of Linux and Docker is required. Introductory knowledge of Kubernetes is required such as creating a cluster, creating a Pod, creating a service, and creating and scaling a replication controller. For introductory Docker and Kubernetes information, refer to Pro Docker (Apress) and Kubernetes Microservices with Docker (Apress). Some pre-requisite knowledge about using Amazon Web Services (AWS) EC2, CloudFormation, and VPC is also required. « less
Develop effective computing networks to deploy your applications and servers using CoreOS
***** About This Book *****
* Get to grips with the basics of CoreOS along with managing clusters
* Write and deploy systemd and fleet units to launch docker containers
* A comprehensive, easy-to-follow guide with an introduction to the new Rocket App Container and the Google Kubernetes cluster manager
***** more » Who This Book Is For *****
If you are a system administrator with experience in network virtualization and want to develop computing networks for deploying applications and servers, then this is the book for you. Knowledge of Linux operating systems and Docker is expected.
***** What You Will Learn *****
* Install and set up CoreOS on your machine and learn more about etcd
* Write and deploy systemd and fleet units
* Customize your clustering machines with cloud-config
* Set up your Docker container's deployment
* Configure cluster Central Services and release channels
* Familiarize yourself with free as well as paid CoreOS services
* Get an overview of CoreOS rkt, a new App Container runtime
* Learn about Kubernetes and set up its cluster
This book will help you get up and running on using CoreOS to develop effective computing networks. You will begin with understanding the basics of CoreOS. You will then discover what etcd is and how it is used, followed by launching Docker containers with systemd and fleet. Learn how to manage clusters, read system logs, and customize with cloud-config. You will set up the deployment to production using Docker builder and a private Docker registry. You will also see how to set up and use CoreUpdate and Enterprise Registry, and get an introduction to the new App Container called rkt and the newly introduced cluster manager known as Kubernetes.
This book will equip you with all the information you need to leverage the power of CoreOS and the related containers for the effective deployment of your applications. « less