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52 lines
1.4 KiB
Markdown
52 lines
1.4 KiB
Markdown
A self-upgrading [Jenkins CI](http://jenkins-ci.org/) server
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# Basic Usage
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To start Jenkins with the latest version:
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ID=$(docker run -d -p 8080:8080 itzg/jenkins)
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At a later time, you can upgrade by restarting the container:
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docker stop $ID
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docker start $ID
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# Attaching host directory to Jenkins home directory
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The Jenkins home directory is attachable at `/data`, so attaching to a host volume
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would be:
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ID=$(docker run -d -p 8080:8080 -v /SOME_HOST_DIR:/data itzg/jenkins
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# Enabling Jenkins slave agents
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By default, Jenkins will pick a random port to allow slave nodes launched
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by JNLP. Since Docker networking is basically a firewall, a random port
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won't work for us. Instead the fixed port **38252** was chosen (arbitrarily)
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to be exposed by the container.
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Launch your Jenkins container using
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ID=$(docker run -d -p 8080:8080 -p 38252:38252 itzg/jenkins)
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and configure the port in the Global Security settings:
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# Image Parameters
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## Volumes
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* `/data` - a majority of the Jenkins content is maintained here, such as workspaces
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* `/root` - some tools, such as Maven, utilize the home directory for default repository storage
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* `/opt/jenkins` - the installed distribution is expanded here
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## Ports
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* `8080` - for the web UI
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* `38252` - for slave incoming JMX access
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## Environment Variables
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* `JENKINS_OPTS` - passed to the initial Java invocation of Jenkins
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