Reverse proxy, domain check fails

I didn’t do but I’m sorry if you feel so

Reverse proxies often terminate TLS but using TLS to the backend is still fully valid option and it is the task of the system admin to adjust the system in a right way. AIO reverse proxy docs covers everything.

the knowledge about TLS and plain http is a foundation for self-hosting.

If you don’t know you are welcome to learn and we would love to support you if you don’t want to learn better avoid self-hosting. take a look at 101: Self-hosting information for beginners for more detailed explanation.

AiO is one specific installation variant. It has some assumptions and ideas I also disagree but it remains your choice: feel free choose AiO or the micro-services image, or Snap or VM - many options exist.