add support section

Author: nicktrn

docs/open-source-self-hosting.mdx

@@ -15,6 +15,10 @@ The self-hosting guide comes in two parts. The first part is a simple setup wher
 
 You're going to need at least one Debian (or derivative) machine with Docker and Docker Compose installed. We'll also use Ngrok to expose the webapp to the internet.
 
+## Support
+
+It's dangerous to go alone! Join the self-hosting channel on our [Discord server](https://discord.gg/NQTxt5NA7s).
+
 ## Caveats
 
 <Note>The v3 worker components don't have ARM support yet.</Note>