Discourse installed on subdomain but not working

[Phenix1997 (phenix)]

I install new discourse app on my subdomain, I changed the ! port, added subdomain to DNS record

Nothing to do , your container has already started , my subdomain url
:https://forum.ongurutips.com but not working, show NGNIX page

I installed ghost on main domain and discourse on subdomain on the same vps server, ubuntu version

any suggestions

[IAmGav (Gavin Perch)]

https://forum.ongurutips.com does not point to a discourse instance

your A record for Forum should point to your discourse instance

[Phenix1997 (phenix)]

can you help me?
any details or command

[IAmGav (Gavin Perch)]

what you are looking for is something like below

Running other websites on the same machine as Discourse

If you want to run other websites on the same machine as Discourse, you need to set up an extra NGINX or HAProxy proxy in front of the Docker container. NOTE: This is for advanced admins This guide assumes you already have Discourse working - if you don’t, it may be hard to tell whether or not the configuration is working. You cannot use ./discourse-setup to set up Discourse if another server is using port 80 or 443. You will need to copy and edit samples/standalone.yml with your favorite tex…

[Phenix1997 (phenix)]

thanks, I create new server