첫째
DigitalOcean에서 앱을 선택해야 하나요? Discourse | DigitalOcean Marketplace 1-Click App
아니면, 바닐라 Ubuntu 18.04를 선택한 후 discourse/docs/INSTALL-cloud.md at main · discourse/discourse · GitHub 문서를 참고하여 설치해야 하나요?
둘째
콘텐츠를 이전하는 가장 좋은 방법은 무엇인가요. 백업한 후 가져오기만 하면 되나요? 다음을 사용하여:
/admin/backups
Using discourse/docs/INSTALL-cloud.md at main · discourse/discourse · GitHub would be the way to go because that is the only officially supported method for now 
Yes, see Create, download, and restore a backup of your Discourse database for more details.
btw: when moving to digtitalocean I will change domain to a subdomain
studmed.dk —> forum.studmed.dk
anything I should be aware of? Except the dns record 
found this: Change the domain name or rename your Discourse