First, build your app for production:
npm run build
Then run the app in production mode:
npm start
The app will by default run at http://localhost:1337.
touch ~/Library/LaunchAgents/at.scale.devdesk.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>at.scale.devdesk</string>
<key>KeepAlive</key>
<true/>
<key>WorkingDirectory</key>
<string>PATH_TO_PROGRAM_DIRECTORY</string>
<key>ProgramArguments</key>
<array>
<string>./start.sh</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>EnvironmentVariables</key>
<dict>
<key>PATH</key>
<string>/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin</string>
</dict>
</dict>
</plist>
launchctl load ~/Library/LaunchAgents/at.scale.devdesk.plist
launchctl start at.scale.devdesk
launchctl unload ~/Library/LaunchAgents/at.scale.devdesk.plist
launchctl load ~/Library/LaunchAgents/at.scale.devdesk.plist
launchctl start at.scale.devdesk
Recommended: Add a bookmark to http://localhost:1337