The previous version of this, made by sampoder used a S1 DB, which I now made to use Redis, so I could selfhost this easier. I also added some more silly features (including a privacy policy and a country indicator!)
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Just set a SLACK_TOKEN and a REDIS_URL to your .env, upload some images, and you should be good to go! For the automatic pfp changing, you should setup a service like Uptime.com to ping /api/set-profile every 5-10 minutes.
You should also change the website in /pages.