1. Running Jenkins server on Docker container

In this post, I want to go through Jenkins’s installation and setup process on a Docker container. Sure there are a bunch of resources where you may find a similar introduction, still, I decided to make a simple and straightforward one.


  • Basic Docker knowledge
  • Docker installed and running
  • Virtualbox or Another machine to add as Slave (need wenn we create Slave)

I will use it as host machine Debian-buster, but steps are the same on Windows and macOS.

Firstly let me explain briefly Jenkins and how it works.

Jenkins is an open-source automation tool that enables developers to reliably build, test, and deploy their software. Jenkins is one of the most powerful CI/CD tools. Jenkins works master-slave concept for distributed build option. Master node coordinating and providing the GUI and API endpoints, and the Agents are designed to perform the work. Following words are synonym: Worker = Slave = Agent

  1. Step: Getting official Jenkins image and start the Jenkins server

Official Jenkins image is hosted on docker hub

#fetch jenkins image to localhost
$ docker pull jenkins/jenkins
#Let's run docker container with pulled jenkins image
$ docker run -d -p 8080:8080 -v jenkins_volume:/var/jenkins_home — name my_jenkins jenkins/jenkins

So before we move forward let me explain command above

  • docker run → starting container
  • -d detached mode. You will not see any logs
  • -p 8080:8080 → exporting port for external access
  • v → is volume, where all Jenkins files will be saved. If you don’t run with volume, when you kill your container or container die somehow, your configuration and setup will be lost. For more information about docker volume see

jenkins_volume → directory on your localhost

:/var/jenkins_home → directory on docker container

  • — name my_jenkins is optional container name but it is a good practice to giving a name to the container
  • jenkins/jenkins is the image name

So now if go on browser and type localhost:8080, you should see the pic below:

You need the password to login the Jenkins. Jenkins provides an initial password by starting the server. This can be found:

  • Checking logs → docker logs [container name] or
  • interaction with container and see under given path /var/jenkins_home/secrets/initialAdminPassword

I will do with the second way

#this is my initial password
$ docker exec my_jenkins cat/var/jenkins_home/secrets/initialAdminPassword

Then click continue and next step install preferred plugins. It will take some minutes. After plugins are installed you should see Admin panel where you may set your name and password.

Admin Panel

Set your username, password and then save it to continue. The next screen should be also straightforward simply finish and ready to use Jenkins!


PS: Next post will be about how to set Jenkins-Slave on a running server

* https://comquent.de/en/en-jenkins-and-docker-integration-for-cd/
* https://jenkins.io/doc/
* Thanks to Gökhan Topcu for the review

Computer Science And DevOps things :)

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