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Learning Docker

You're reading from   Learning Docker Optimize the power of Docker to run your applications quickly and easily

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Product type Paperback
Published in Jun 2015
Publisher
ISBN-13 9781784397937
Length 240 pages
Edition 1st Edition
Tools
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Toc

Table of Contents (13) Chapters Close

Preface 1. Getting Started with Docker 2. Handling Docker Containers FREE CHAPTER 3. Building Images 4. Publishing Images 5. Running Your Private Docker Infrastructure 6. Running Services in a Container 7. Sharing Data with Containers 8. Orchestrating Containers 9. Testing with Docker 10. Debugging Containers 11. Securing Docker Containers Index

Pushing images to the Docker Hub


Here, we will create a Docker image on the local machine, and push this image to the Docker Hub. You need to perform the following steps in this section:

  1. Create a Docker image on the local machine by doing one of the following:

    • Using the docker commit sub command

    • Using the docker commit sub command with Dockerfile

  2. Push this created image to the Docker Hub.

  3. Delete the image from the Docker Hub.

We will use the Ubuntu base image, run the container, add a new directory and a new file, and then create a new image. In Chapter 3, Building Images, we have seen the creation of the Docker image using Dockerfile. You may refer to this to check for details of the Dockerfile syntax.

We will run the container with the name containerforhub from the base ubuntu image, as shown in the following terminal code:

$ sudo docker run -i --name="containerforhub" -t ubuntu /bin/bash
root@e3bb4b138daf:/#

Next, we'll create a new directory and file in the containerforhub container. We will...

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