book

The Docker Book

Name: The Docker Book
Author: James Turnbull
ISBN: 9780988820203

by James Turnbull

July 2014

Beginner

344 pages

4h 48m

English

Turnbull Press

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The Docker Book
0.1 Who is this book for?0.2 A note about versions0.3 Credits and Acknowledgments0.4 Technical Reviewers0.4.1 Scott Collier0.4.2 John Ferlito0.4.3 Pris Nasrat0.5 Technical Illustrator0.6 Proofreader0.7 Author0.8 Conventions in the book0.9 Code and Examples0.10 Colophon0.11 Errata0.12 Version
1 Introduction
1.1 Introducing Docker1.1.1 An easy and lightweight way to model reality1.1.2 A logical segregation of duties1.1.3 Fast, efficient development life cycle1.1.4 Encourages service oriented architecture1.2 Docker components1.2.1 Docker client and server1.2.2 Docker images1.2.3 Registries1.2.4 Containers1.2.5 Compose, Swarm and Kubernetes1.3 What can you use Docker for?1.4 Docker with configuration management1.5 Docker’s technical components1.6 What’s in the book?1.7 Docker resources
2 Installing Docker
2.1 Requirements2.2 Installing on Ubuntu and Debian2.2.1 Checking for prerequisites2.2.2 Installing Docker2.2.3 Docker and UFW2.3 Installing on Red Hat and family2.3.1 Checking for prerequisites2.3.2 Installing Docker2.3.3 Starting the Docker daemon on the Red Hat family2.4 Docker for Mac2.4.1 Installing Docker for Mac2.4.2 Testing Docker for Mac2.5 Docker for Windows installation2.5.1 Installing Docker for Windows2.5.2 Testing Docker for Windows2.6 Using Docker on OSX and Windows with this book2.7 Docker installation script2.8 Binary installation2.9 The Docker daemon2.9.1 Configuring the Docker daemon2.9.2 Checking that the Docker daemon is running2.10 Upgrading Docker2.11 Docker user interfaces2.12 Summary
3 Getting Started with Docker
3.1 Ensuring Docker is ready3.2 Running our first container3.3 Working with our first container3.4 Container naming3.5 Starting a stopped container3.6 Attaching to a container3.7 Creating daemonized containers3.8 Seeing what’s happening inside our container3.9 Docker log drivers3.10 Inspecting the container’s processes3.11 Docker statistics3.12 Running a process inside an already running container3.13 Stopping a daemonized container3.14 Automatic container restarts3.15 Finding out more about our container3.16 Deleting a container3.17 Summary
4 Working with Docker images and repositories
4.1 What is a Docker image?4.2 Listing Docker images4.3 Pulling images4.4 Searching for images4.5 Building our own images4.5.1 Creating a Docker Hub account4.5.2 Using Docker commit to create images4.5.3 Building images with a Dockerfile4.5.4 Building the image from our Dockerfile4.5.5 What happens if an instruction fails?4.5.6 Dockerfiles and the build cache4.5.7 Using the build cache for templating4.5.8 Viewing our new image4.5.9 Launching a container from our new image4.5.10 Dockerfile instructions4.6 Pushing images to the Docker Hub4.6.1 Automated Builds4.7 Deleting an image4.8 Running your own Docker registry4.8.1 Running a registry from a container4.8.2 Testing the new registry4.9 Alternative Indexes4.9.1 Quay4.10 Summary
5 Testing with Docker
5.1 Using Docker to test a static website5.1.1 An initial Dockerfile for the Sample website5.1.2 Building our Sample website and Nginx image5.1.3 Building containers from our Sample website and Nginx image5.1.4 Editing our website5.2 Using Docker to build and test a web application5.2.1 Building our Sinatra application5.2.2 Creating our Sinatra container5.2.3 Extending our Sinatra application to use Redis5.2.4 Connecting our Sinatra application to the Redis container5.2.5 Docker internal networking5.2.6 Docker networking5.2.7 Connecting containers summary5.3 Using Docker for continuous integration5.3.1 Build a Jenkins and Docker server5.3.2 Create a new Jenkins job5.3.3 Running our Jenkins job5.3.4 Next steps with our Jenkins job5.3.5 Summary of our Jenkins setup5.4 Multi-configuration Jenkins5.4.1 Create a multi-configuration job5.4.2 Testing our multi-configuration job5.4.3 Summary of our multi-configuration Jenkins5.5 Other alternatives5.5.1 Drone5.5.2 Shippable5.6 Summary
6 Building services with Docker
6.1 Building our first application6.1.1 The Jekyll base image6.1.2 Building the Jekyll base image6.1.3 The Apache image6.1.4 Building the Jekyll Apache image6.1.5 Launching our Jekyll site6.1.6 Updating our Jekyll site6.1.7 Backing up our Jekyll volume6.1.8 Extending our Jekyll website example6.2 Building a Java application server with Docker6.2.1 A WAR file fetcher6.2.2 Fetching a WAR file6.2.3 Our Tomcat 7 application server6.2.4 Running our WAR file6.2.5 Building on top of our Tomcat application server6.3 A multi-container application stack6.3.1 The Node.js image6.3.2 The Redis base image6.3.3 The Redis primary image6.3.4 The Redis replica image6.3.5 Creating our Redis back-end cluster6.3.6 Creating our Node container6.3.7 Capturing our application logs6.3.8 Summary of our Node stack6.4 Managing Docker containers without SSH6.5 Summary
7 Docker Orchestration and Service Discovery
7.1 Docker Compose7.1.1 Installing Docker Compose7.1.2 Getting our sample application7.1.3 The docker-compose.yml file7.1.4 Running Compose7.1.5 Using Compose7.1.6 Compose in summary7.2 Consul, Service Discovery and Docker7.2.1 Building a Consul image7.2.2 Testing a Consul container locally7.2.3 Running a Consul cluster in Docker7.2.4 Starting the Consul bootstrap node7.2.5 Starting the remaining nodes7.2.6 Running a distributed service with Consul in Docker7.3 Docker Swarm7.3.1 Understanding the Swarm7.3.2 Installing Swarm7.3.3 Setting up a Swarm7.3.4 Running a service on your Swarm7.4 Orchestration alternatives and components7.4.1 Fleet and etcd7.4.2 Kubernetes7.4.3 Apache Mesos7.4.4 Helios7.4.5 Centurion7.5 Summary
8 Using the Docker API
8.1 The Docker APIs8.2 First steps with the Engine API8.3 Testing the Docker Engine API8.3.1 Managing images with the API8.3.2 Managing containers with the API8.4 Improving the TProv application8.5 Authenticating the Docker Engine API8.5.1 Create a Certificate Authority8.5.2 Create a server certificate signing request and key8.5.3 Configuring the Docker daemon8.5.4 Creating a client certificate and key8.5.5 Configuring our Docker client for authentication8.6 Summary
9 Getting help and extending Docker
9.1 Getting help9.1.1 The Docker forums9.1.2 Docker on IRC9.1.3 Docker on GitHub9.2 Reporting issues for Docker9.3 Setting up a build environment9.3.1 Install Docker9.3.2 Install source and build tools9.3.3 Check out the source9.3.4 Contributing to the documentation9.3.5 Build the environment9.3.6 Running the tests9.3.7 Use Docker inside our development environment9.3.8 Submitting a pull request9.3.9 Merge approval and maintainers9.4 Summary

Overview

Designed for SysAdmins, Operations staff, Developers, and DevOps, this book will introduce you to the open source container platform Docker.

In this book, we will walk you through installing, deploying, managing, and extend Docker. We're going to do that by first introducing you to the basics of Docker and its components. Then we'll start to use Docker to build containers and services to perform a variety of tasks.

We're going to take you through the development lifecycle, from testing to production, and see where Docker fits in and how it can make your life easier. We'll make use of Docker to build test environments for new projects, demonstrate how to integrate Docker with continuous integration workflow, and then how to build application services and platforms. Finally, we'll show you how to use Docker's API and how to extend Docker yourself.

We'll teach you how to:

* Install Docker.
* Take your first steps with a Docker container.
* Build Docker images.
* Manage and share Docker images.
* Run and manage more complex Docker containers.
* Deploy Docker containers as part of your testing pipeline.
* Build multi-container applications and environments.
* Learn about orchestration. Use Compose and Swarm for the orchestration of Docker containers and Consul for service discovery.
* Explore the Docker API.
* Getting Help and Extending Docker.

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