Usage: docker helloworld [OPTIONS] COMMAND A basic Hello World plugin for tests Options: -c, --context string Is it Christmas? -D, --debug Enable debug --pre-run Log from prerun hook --who string Who are we addressing? Commands: apiversion Print the API version of the server exitstatus2 Exit with status 2 goodbye Say Goodbye instead of Hello Run 'docker helloworld COMMAND --help' for more information on a command.