Splunk Cloud Universal Forwarder installed on a linux image
This image requires a Splunk Universal Forwarder credentials package detailed here: http://docs.splunk.com/Documentation/Forwarder/6.4.2/Forwarder/HowtoforwarddatatoSplunkCloud
Usage: Docker build --build-arg SPLUNK_URL=deploymentserver.splunk.mycompany.com --build-arg SPLUNK_PORT=8089
This forwarder is configured to listen on UDP port 50333 as a demonstration