I can't start a Discourse

[Jagster (Jakke Lehtonen)]

Try this:

Configure a firewall for Discourse

It’s unclear if Linux distributions really “need” a firewall – but we have found that the following Uncomplicated Firewall rules work fine with a standard Docker based Discourse install: ufw allow http ufw allow https ufw allow ssh ufw enable That is, allow HTTP (port 80), HTTPS (port 443), and SSH (port 22), and nothing else. Check the current status of your firewall with ufw status verbose Sample output: Status: active Logging: on (low) Default: deny (incoming), allow (outgoing), disable…

If it doesn’t help then you know the issue may be docker itself.