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  • Book Overview & Buying Developing with Docker
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Developing with Docker

Developing with Docker

By : Krochmalski, Jaroslaw Krochmalski
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Developing with Docker

Developing with Docker

By: Krochmalski, Jaroslaw Krochmalski
Buy this Book

Overview of this book

This fast-paced practical guide will get you up and running with Docker. Using Docker, you will be able to build, ship, and run many distributed applications in real time. You will start with quickly installing Docker and start working with images and containers. We will present different types of containers and their applications, and show you how to find and build images. You will learn how you can contribute to the image repository by publishing different images. This will familiarize you with the image building process and you will be able to successfully run your programs within containers. By finishing this book, you will be well equipped in deploying your applications using Docker and will have a clear understanding of concepts, techniques, and practical methods to get it running in production systems.
Table of Contents (11 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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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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1
1. Introduction to Docker
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1. Introduction to Docker
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The basic idea
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Containerization versus virtualization
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Benefits of using Docker
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Tools overview
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Summary
2
2. Installing Docker
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2. Installing Docker
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Hardware requirements
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Installing on Windows
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Installing on Mac OS
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Installing on Linux
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Installing on the cloud — AWS
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Summary
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3. Understanding Images and Containers
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3. Understanding Images and Containers
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Images
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Layers
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Containers
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Docker registry, repository and index
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Summary
4
4. Networking and Persistent Storage
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4. Networking and Persistent Storage
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Docker networking
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Docker volumes
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Summary
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5. Finding Images
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5. Finding Images
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The Docker Hub
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Searching for images
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Docker Hub and docker registry REST API
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Summary
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6. Creating Images
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6. Creating Images
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Dockerfile instructions
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Using Dockerfiles
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Summary
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7. Running Containers
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7. Running Containers
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Runtime modes - detached and foreground
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Identifying images and containers
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Overriding default commands from Dockerfile
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Executing arbitrary commands with exec
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Monitoring containers
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Container exit codes and restart policies
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Runtime constraints on resources
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Docker Swarm mode
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Summary
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8. Publishing Images
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8. Publishing Images
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Publishing images
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Webhooks and automated builds
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Summary
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9. Using Docker in Development
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9. Using Docker in Development
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Using Docker with Maven
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Spring Boot application in Docker container
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Packaging Angular.js application
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Summary
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Appendix A. More Resources
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Appendix A. More Resources
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Official documentation
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Awesome Docker
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Training

Chapter 5. Finding Images

In previous chapters, we have learned how to install Docker and we got familiar with the Docker architecture, networking, and persistent storage features. We have mentioned about working with the Docker Hub and remote repositories a little in Chapter 3, Understanding Images and Containers, but this time we will go into more details.

This chapter will cover the following topics:

  • The Docker Hub
  • Image tags
  • Searching for images using the web interface and a command line
  • Docker Hub REST API

Before we actually build our own images in the next chapter, we are going to focus on working with Docker Hub first-creating an account, authenticating, looking for images, and pulling them. We will go into more details of version and tags, explaining one of the most misunderstood Docker tags, latest. This chapter will also present the REST API of Docker Hub, which may come in handy if you plan to use Docker Hub programmatically—from your own applications or integration...

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