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Last pushed: 3 years ago
Short Description
Various parameter specifiable Jenkins.
Full Description

Dockerfile of knjname/jenkins

How to use simply

docker run -d -p 8080:8080 knjname/jenkins

# Jenkins will be available at:
#   http://localhost:8080

Detailed usage

Directory layout

: Contains jenkins.war and script.
: Contains logs. To persist, you can use like -v /var/log/my_jenkins:/jenkins/logs.
: This is the ${JENKINS_HOME}, containing configurations, project settings, build histories, plugins and so on. Obviously you're going to have this path persistent by specifying -v /opt/your_host_jenkins_home:/jenkins/home.


Various parameters are available by specifying -e ENVNAME=VALUE.

This functionality is provided by runs Jenkins with various options given from ENVs.

Heres are some of parameters you can specify.

: JVM options which will be passed to JVM on which Jenkins runs. The default value is -Djava.awt.headless=true. If you need to specify memory options such as -Xmx1g, you may set this env as -e JENKINS_JAVA_OPTIONS='-Djava.awt.headless=true -Xmx1g'. Many users probably have to specify this.
: Jenkins URL prefix Jetty accepts. For example, if you want to put Jenkins behind a reverse proxy, and the Jenkins has got to accept requests to http://hostname:8080/your-jenkins, you may specify this option as -e JENKINS_URL_PREFIX='/your-jenkins'. Please note that in many cases, you have to configure same url prefix additionally on your Jenkins configuration page, which is what Jenkins uses.

To learn more parameters, see

For instance, to satisfy following requirements:

This docker run command helps you.

docker run -d --name my-jenkins \
  -p 10080:8080 \
  -e JENKINS_JAVA_OPTIONS='-Djava.awt.headless=true -Xmx2g' \
  -e JENKINS_URL_PREFIX=/my-jenkins \
  -v /opt/my-jenkins/logs:/jenkins/logs \
  -v /opt/my-jenkins/home:/jenkins/home \

Recommended Jenkins configuration

Isolate the roles of master-node and slave-nodes explicitly.

  • Do not allow master-node to build. Make master-node unable to build. Master-node should concentrate on keeping build histories, artifacts, and other things master-node only can do.
  • Insteadly, slave-nodes should build everytime. Prepare and connect slave-nodes having plentiful tools to build. Of course when I do that, I setup a SSHD Docker container.

While you keep this rule, you can use simple Jenkins container such like what this repository provides.

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