Mastering Docker.

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Annotation Rethink what's possible with Docker become an expert in the innovative containerization tool to unlock new opportunities in the way you use and deploy softwareAbout This Book Create highly scalable applications and services using the Linux container virtualization paradigm Extend Docker with external platforms, including Heroku and OpenStack Integrate with some of the most innovative and exciting orchestration tools such as Kubernetes for larger and more controlled deploymentsWho This Book Is ForIf you recognize Docker's importance for innovation in everything from system administration to web development, but aren't sure how to use it to its full potential, this book is for you. What You Will Learn Become fluent with the basic components of Docker Learn best practices for storing and managing Docker files Secure your containers and files with Docker's security features Learn how to use Docker machine to build new servers from scratch Find out how to set up and manage multiple environments with Docker compose Utilize Docker Swarm to orchestrate containers across different servers Integrate Docker with a wide range of cloud and configuration tools to fully realize its potentialIn DetailDocker has been a game-changer when it comes to virtualization it has now grown to become a key driver of innovation beyond system administration, having an impact on the world of web development and more. But how can you make sure you're keeping up with the innovations that it's driving? How can you be sure you're using it to its full potential? Mastering Docker shows you how it not only demonstrates how to use Docker more effectively, it also helps you rethink and reimagine what's possible with Docker. Covering best practices to make sure you're confident with and the basics, such as building, managing and storing containers, before diving deeper into Docker security, you'll find everything you need to help you extend and integrate Docker in new and innovative ways. You'll learn how to take greater control over your containers using some of Docker's most sophisticated and useful tools, such as Docker compose and Docker swarm, before bringing together everything you already know and have learned to put your containers into production and monitor them for safety and performance. Beyond this, you'll also explore even more advanced strategies, as you learn how to extend and integrate Docker with cloud platforms such as Heroku and OpenStack, and how tools such as Kubernetes can improve the way you manage large-scale container orchestration. With further guidance on how you can use configuration management tools such as Puppet, Chef and PowerShell, by the end of the book you'll have a broad and detailed sense of exactly what's possible with Docker and how seamlessly it fits with a range of other platforms and tools. Style and approachThis book takes you through some of the most sophisticated Docker tools in a way that's accessible and practical. It has been created to help you put new ideas in practice and to demonstrate precisely what's possible with Docker.

Cover; Copyright; Credits; About the Author; About the Reviewer; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Docker Review; Understanding Docker; Difference between Docker and typical VMs; Dockerfile; Docker networking/linking; Docker installers/installation; Types of installers; Controlling the Docker VM (boot2docker); Docker Machine -- the new boot2docker; Kitematic; The Docker commands; The Docker images; Searching for the Docker images; Manipulating the Docker images; Stopping containers; Summary; Chapter 2: Up and Running; Dockerfile; A short review of Dockerfile.

Reviewing Dockerfile in depthLABEL; ADD or COPY; ENTRYPOINT; USER; WORKDIR; ONBUILD; Dockerfile -- best practices; Docker build; The docker build command; .dockerignore; Building images using Dockerfile; Building a base image using an existing image; Building your own containers; Using tar; Using scratch; Docker Hub; The Docker Hub location; Public repositories; Private repositories; Docker Hub Enterprise; Environmental variables; Using environmental variables in your Dockerfile; Creating a MySQL username, database, and setting permissions; Adding a file to the system; Docker volumes.

Data volumesData volume containers; Docker volume backups; Summary; Chapter 3: Container Image Storage; Docker Hub; Dashboard; Explore the repositories page; Organizations; The Create menu; Settings; The Stars page; Docker Hub Enterprise; Comparing Docker Hub to Docker Subscription; Docker Subscription for server; Docker Subscription for cloud; Docker Registry; An overview of Docker Registry; Docker Registry versus Docker Hub; Automated builds; Setting up your code; Setting up Docker Hub; Putting all the pieces together; Creating your own registry; Summary; Chapter 4: Managing Containers.

The Docker commandsdocker attach; docker diff; docker exec; docker history; docker inspect; docker logs; docker ps; docker stats; docker top; Using your existing management suite; Puppet; Chef; Ansible; SaltStack; Docker Swarm; What is Docker Swarm?; What can Docker Swarm do?; Summary; Chapter 5: Docker Security; Containers versus VMs; The good; The not so bad; What to look out for; The Docker commands; docker run; docker diff; Docker security -- best practices; Docker -- best practices; CIS guide -- host configuration; CIS guide -- Docker daemon configuration.

CIS guide -- Docker daemon configuration filesCIS guide -- container images/runtime; CIS guide -- Docker security operations; The Docker bench security application; Running the tool; Understanding the output; Summary; Chapter 6: Docker Machine; Installation; Using Docker Machine; Local VM; Cloud environment; Docker Machine commands; active; config; env; inspect; ip; kill; ls; restart; rm; scp; ssh; start; stop; upgrade; url; TLS; Summary; Chapter 7: Docker Compose; Installing Docker Compose; Installing on Linux; Installing on OS X and Windows; Docker Compose YAML file; The Docker Compose usage.

Copyright © 2015 Packt Publishing

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