Uses a cron job to update a Discord channel daily with a subscriber count target, see the related tweet for how it looks.
The script that posts is in app/api/cron/daily-discord-message/route.ts, this script is run daily at 9am, this is configured in vercel.json. The message contains a link to an image, which is generated by /api/images/graph/[fileName]/route.tsx.
Be sure to fill in the .env.local and upload your environment variables to Vercel if you want to see it in action.