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Building a Docker Image using Packer and Jenkins

In this hands-on lab, you will be taking on the role of a DevOps engineer who manages a Packer file that is used to create a Docker image for one of the team's applications. You have created a new Packer file and committed it to GitHub. Now you want to automate the build process. The team has a Jenkins server that is used for running tests against the code. You have decided to create a Jenkins job to help manage the build process.

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Lab Info
Level
Intermediate
Last updated
Sep 24, 2025
Duration
1h 0m

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Table of Contents
  1. Challenge

    Open port 8080 on firewalld.
    1. Open the firewall
    sudo firewall-cmd --zone=public --permanent --add-port=8080/tcp
    sudo firewall-cmd --reload
    
    1. Check the firewall.
    sudo firewall-cmd --zone=public --permanent --list-ports
    
  2. Challenge

    Create the Packer build job.
  3. Challenge

    Run the build job.
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