Book Image

Docker Cookbook

By : Neependra Khare
Book Image

Docker Cookbook

By: Neependra Khare

Overview of this book

<p>Docker is a Linux container engine that allows you to create consistent, stable, and production-quality environments with containers.</p> <p>You will start by installing Docker and understanding and working with containers and images. You then proceed to learn about network and data management for containers. The book explores the RESTful APIs provided by Docker to perform different actions such as image/container operations. Finally, the book explores logs and troubleshooting Docker to solve issues and bottlenecks. This book will also help you understand Docker use cases, orchestration, security, ecosystems, and hosting platforms to make your applications easy to deploy, build, and collaborate on.</p>

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Docker Cookbook
Neependra Khare
Jun, 2015 | 248 pages
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Table of Contents (17 chapters)
Docker Cookbook
Docker Cookbook
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Introduction and Installation
Introduction and Installation
Introduction
Verifying the requirements for Docker installation
Installing Docker
Pulling an image and running a container
Adding a nonroot user to administer Docker
Setting up the Docker host with Docker Machine
Finding help with the Docker command line
2
Working with Docker Containers
Working with Docker Containers
Introduction
Listing/searching for an image
Pulling an image
Listing images
Starting a container
Listing containers
Looking at the logs of containers
Stopping a container
Deleting a container
Setting the restart policy on a container
Getting privileged access inside a container
Exposing a port while starting a container
Accessing the host device inside the container
Injecting a new process to a running container
Returning low-level information about a container
Labeling and filtering containers
3
Working with Docker Images
Working with Docker Images
Introduction
Creating an account with Docker Hub
Creating an image from the container
Publishing an image to the registry
Looking at the history of an image
Deleting an image
Exporting an image
Importing an image
Building images using Dockerfiles
Building an Apache image – a Dockerfile example
Accessing Firefox from a container – a Dockerfile example
Building a WordPress image – a Dockerfile example
Setting up a private index/registry
Automated builds – with GitHub and Bitbucket
Creating the base image – using supermin
Creating the base image – using Debootstrap
Visualizing dependencies between layers
4
Network and Data Management for Containers
Network and Data Management for Containers
Introduction
Accessing containers from outside
Managing data in containers
Linking two or more containers
Developing a LAMP application by linking containers
Networking of multihost containers with Flannel
Assigning IPv6 addresses to containers
5
Docker Use Cases
Docker Use Cases
Introduction
Testing with Docker
Doing CI/CD with Shippable and Red Hat OpenShift
Doing CI/CD with Drone
Setting up PaaS with OpenShift Origin
Building and deploying an app on OpenShift v3 from the source code
Configuring Docker as a hypervisor driver for OpenStack
6
Docker APIs and Language Bindings
Docker APIs and Language Bindings
Introduction
Configuring the Docker daemon remote API
Performing image operations using remote APIs
Performing container operations using remote APIs
Exploring Docker remote API client libraries
Securing the Docker daemon remote API
7
Docker Performance
Docker Performance
Introduction
Benchmarking CPU performance
Benchmarking disk performance
Benchmarking network performance
Getting container resource usage using the stats feature
Setting up performance monitoring
8
Docker Orchestration and Hosting Platforms
Docker Orchestration and Hosting Platforms
Introduction
Running applications with Docker Compose
Setting up cluster with Docker Swarm
Setting up CoreOS for Docker orchestration
Setting up a Project Atomic host
Doing atomic update/rollback with Project Atomic
Adding more storage for Docker in Project Atomic
Setting up Cockpit for Project Atomic
Setting up a Kubernetes cluster
Scaling up and down in a Kubernetes cluster
Setting up WordPress with a Kubernetes cluster
9
Docker Security
Docker Security
Introduction
Setting Mandatory Access Control (MAC) with SELinux
Allowing writes to volume mounted from the host with SELinux ON
Removing capabilities to breakdown the power of a root user inside a container
Sharing namespaces between the host and the container
10
Getting Help and Tips and Tricks
Getting Help and Tips and Tricks
Introduction
Starting Docker in debug mode
Building a Docker binary from the source
Building images without using cached layers
Building your own bridge for container communication
Changing the default execution driver of Docker
Selecting the logging driver for containers
Getting real-time Docker events for containers
Index
Index

About the Reviewers

Scott Collier is a senior principal system engineer in the systems design and engineering team at Red Hat. He is currently focused on product integration for anything that has to do with containers. He is a Red Hat Certified Architect (RHCA) with over 18 years of experience in IT.

He was also a technical reviewer on The Docker Book.

I would like to say thanks to Neependra for giving me the opportunity to collaborate on this book. It was a pleasure! I'd also like to thank my wife, Laura, for giving me the weekends to do this review.

Julien Duponchelle is a French engineer. He is a graduate of Epitech. During his work experience, he contributed to several open source projects and focused on tools, which make the work of IT teams easier.

After he directed the educational area at ETNA, a French IT school, he has accompanied several start-ups as a lead backend engineer and participated in many significant and successful fund raising events (Plizy and Youboox).

I would like to warmly thank, Maëlig, my girlfriend, for her benevolence and great patience at the time when I was working on this book or on open source projects in general, over so many evenings.

Allan Espinosa is an active open source contributor to various distributed system tools such as Docker and Chef. He maintains several Docker images for popular open source software that were popular before the official release from the upstream open source groups themselves.

He completed his master's of science in computer science from the University of Chicago. There, he worked on scaling data-intensive applications across supercomputing centers in the United States.

I would like to thank my wife, Kana, for the continuous support that allowed me to spend significant time with this review project.

Vishnu Gopal has a degree in Human-Computer Interaction from University College London, and was a part of the team that built SlideShare, which was then acquired by LinkedIn. He has picked up a variety of skills in his career, from having worked as a software engineer to architecting products that have served millions of users a day. He blogs at http://vishnugopal.com and still likes to be known by his GitHub profile at http://github.com/vishnugopal.

I would like to thank my wife, Uma, for her smiles and constant distractions that keep me sane.

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