Label com.webserver.daemon ProgramArguments /Users/_webserver/website/webserver --port 3000 EnvironmentVariables PATH /usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin RunAtLoad WorkingDirectory /Users/_webserver/website UserName _webserver StandardOutPath /var/log/webserver/stdout.log StandardErrorPath /var/log/webserver/stderr.log