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Continuous Delivery with Docker and Jenkins, 3rd Edition

You're reading from   Continuous Delivery with Docker and Jenkins, 3rd Edition Create secure applications by building complete CI/CD pipelines

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Product type Paperback
Published in May 2022
Publisher Packt
ISBN-13 9781803237480
Length 374 pages
Edition 3rd Edition
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Author (1):
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Rafał Leszko Rafał Leszko
Author Profile Icon Rafał Leszko
Rafał Leszko
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Toc

Table of Contents (16) Chapters Close

Preface 1. Section 1 – Setting Up the Environment
2. Chapter 1: Introducing Continuous Delivery FREE CHAPTER 3. Chapter 2: Introducing Docker 4. Chapter 3: Configuring Jenkins 5. Section 2 – Architecting and Testing an Application
6. Chapter 4: Continuous Integration Pipeline 7. Chapter 5: Automated Acceptance Testing 8. Chapter 6: Clustering with Kubernetes 9. Section 3 – Deploying an Application
10. Chapter 7: Configuration Management with Ansible 11. Chapter 8: Continuous Delivery Pipeline 12. Chapter 9: Advanced Continuous Delivery 13. Best Practices 14. Assessments 15. Other Books You May Enjoy

Building Docker images

In this section, we will see how to build Docker images using two different methods: the docker commit command and a Dockerfile automated build.

docker commit

Let's start with an example and prepare an image with the Git and JDK toolkits. We will use Ubuntu 20.04 as a base image. There is no need to create it; most base images are available in the Docker Hub registry. Proceed as follows:

  1. Run a container from ubuntu:20.04 and connect it to its command line, like this:
    $ docker run -i -t ubuntu:20.04 /bin/bash

We've pulled the ubuntu:20.04 image, run it as a container, and then called the /bin/bash command in an interactive way (-i flag). You should see the Terminal of the container. Since containers are stateful and writable, we can do anything we want in its Terminal.

  1. Install the Git toolkit, as follows:
    root@dee2cb192c6c:/# apt-get update
    root@dee2cb192c6c...
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