Related to
this part might need some better wording:
@supermathie Suggestion:
you will want to add the following line to the end of your templates section in
containers/app.yml.
as illustrated in Using Discourse with Cloudflare: Best Practices - #11 by shawa
At best, a link to a general how-to about templates in server configuration could be provided also, which I was not able to find at first sight.