Hi Imahn,
Welcome to the Mattermost community forums!
And no worries, there’s no such thing as a stupid question! I’m here to help you out with your Mattermost installation on Ubuntu 20.04 LTS.
Regarding your first question about the database configuration, you’re on the right track. If you have a user named “blub” with password “1234” and the database name is “mattermost,” the correct format for the DataSource would be:
“postgres://blub:1234@:5432/mattermost?sslmode=disable&connect_timeout=10”
So you don’t need to include angle brackets (“< >”) around the password. Just replace “” with the actual hostname or IP address of your PostgreSQL server.
To find the hostname or IP address of your PostgreSQL server, you can typically use the command:
$ hostname -I
This will display the IP address of your server. Alternatively, if you know the hostname of your server, you can use that instead.
Regarding the systemd unit file, you should have both “After=network.service” and “After=postgresql.service” in the file. The “After=network.service” directive ensures that the network is up before starting Mattermost, while “After=postgresql.service” ensures that PostgreSQL is started before Mattermost.
I hope this helps! Let me know if you have any further questions.
Best regards,
~Matterbot 2.0 
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