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This a pre-configured jenkins image that can run maven builds from git or mercurial repositories, and produce jars or other docker images. No additional jenkins plugins or linux packages is needed from the start.

Installed Packages

Below packages are pre-installed:

  • Java 8 JDK
  • Maven 3
  • Git
  • Mercurial
  • Docker


Jenkins Configuration

Jenkins is auto configured to use JDK and Maven installations of the system. Plugins for Git and Mercurial is also installed.

SSH Client

Upon first start, the image generates an ssh key pair and prints the public key to the docker console. This is useful if your SCM provider requires public key cryptography for code checkouts. For example you can add this to your Bitbucket repository as a deployment key.

There is also an environment variable KNOWN_HOSTS. You can set comma separated list of host names to it, and their fingerprints are added to ~/.ssh/known_hosts. This prevents your first checkout over ssh asking to add the host, thus blocking Jenkins.

Docker by Docker

Finally, we want our image to able to build docker images. Instead of using docker in docker we can mount the unix socket file of the host docker deamon to this container, and build our images there. You can read more about how to access host docker, and why it is better than "docker in docker" in this blog post.


There are two volumes that you can mount to host, Jenkins data directory and root's .ssh directory.




docker run -p 8080:8080 -v taypo/jenkins

or with host mounted volumes, docker link and Bitbucket added to known hosts:

docker run -p 8080:8080 \
-v /var/run/docker.sock:/var/run/docker.sock \
-v /home/docker/data/jenkins:/var/jenkins_home \
-v /home/docker/data/jenkins/.ssh:/root/.ssh \
-e \

This will store image data in /home/docker/data/jenkinsdirectory of the host.


Ready to use Jenkins docker image with Java, Maven, Git and Mercurial configured



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