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  • Book Overview & Buying Beginning DevOps with Docker
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Beginning DevOps with Docker

Beginning DevOps with Docker

By : Joseph Muli
3.9 (7)
Buy this Book
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Beginning DevOps with Docker

Beginning DevOps with Docker

3.9 (7)
By: Joseph Muli
Buy this Book

Overview of this book

Making sure that your application runs across different systems as intended is quickly becoming a standard development requirement. With Docker, you can ensure that what you build will behave the way you expect it to, regardless of where it's deployed. By guiding you through Docker from start to finish (from installation, to the Docker Registry, all the way through to working with Docker Swarms), we’ll equip you with the skills you need to migrate your workflow to Docker with complete confidence.
Table of Contents (5 chapters)
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Preface
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Preface
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Hardware
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Software
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Who This Book is for
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Conventions
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Reader Feedback
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Customer Support
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Downloading the Example Code
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Installation
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Errata
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Piracy
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Questions
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1
1. Images and Containers
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1. Images and Containers
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Lesson Objectives
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Virtualization versus Containerization
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How Docker Improves a DevOps Workflow
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Basic Docker Terminal Commands
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Dockerfile Syntax
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Building Images
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Running Containers From Images
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Versioning Images and Docker Hub
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Deploying a Docker Image to Docker Hub
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Summary
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2. Application Container Management
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2. Application Container Management
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Lesson Objectives
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The docker-compose Tool
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Overview of a Multi-Container Application Setup
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Managing Multiple Containers and Distributed Application Bundles
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Networking with docker-compose
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Summary
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3. Orchestration and Delivery
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3. Orchestration and Delivery
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Lesson Objectives
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Orchestration
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An Overview of Docker Swarm
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Using Docker Engine to Create a Swarm
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Managing Services and Applications in a Swarm
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Scaling Services Up and Down
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Summary
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Index
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Index

Orchestration

Running containers on our local environment is easy and does not require a lot of our effort; when it comes to the cloud, we need a different kind of mindset and tools to aid us in achieving this. Our environment should be highly available, fault tolerant, and easily scalable. This process of coordinating resources and/or containers, resulting in a consolidated workflow, is orchestration.

First, let's get familiarized with some of the terms used when it comes to orchestration:

  • docker-engine: This refers to the Docker bundle or installation we currently have on our computers
  • docker-machine: A tool that helps us install Docker on virtual hosts
  • Virtual hosts: These are virtual servers that run under physical hosts
  • docker-swarm: A clustering tool for Docker
  • docker host: A host or server that has Docker set up or installed
  • Node: A Docker host that is connected to a swarm cluster
  • Cluster: A group of Docker hosts or nodes
  • Replica: A duplicate or number of duplicates of an instance
  • Task...
CONTINUE READING
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Beginning DevOps with Docker
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