Thank you for all the explanations! So I just need a second domain and apache will redirect 443 from that domain to 7777. The docker part I understood but having two apps on 443 on different domains but one machine is what was new to me.

Thanks, this is good to know!

Thanks, I did not know about this one!

But, I am turning towards nextcloud, as it would allow me to sync some shared folders of images and documents between computers easily(?).

The android app would be great as well, to sync some files easier, I understand nextcloud does that.

But this is a great alternative, I will surely check it out before making my final decision.

Now still have to do some physical upgrades, a fan and an ssd need replacing.

Thanks to everyone for their input!

Thank you and everyone else! Now I need to get a domain that allows subdomains

I understood from here it shouldnt work

https://github.com/nextcloud/all-in-one?tab=readme-ov-file#are-other-ports-than-the-default-443-for-nextcloud-supported

Maybe you use another flavor and not the aio?

Edit oh you have 443 though, nvm!

According to this it is not supported?

https://github.com/nextcloud/all-in-one?tab=readme-ov-file#are-other-ports-than-the-default-443-for-nextcloud-supported

However, I should learn how to do subdomains and the reverse proxy then… Which is another question.

I have until now a free domain which is somethig like mysubdomain.ddns.net. So I presume I need to get a paid domain for this so I can do subdomains

I understood NC needs ports 80 and 443, at least from the nextcloud aio installation doc

I had understood it has to be 443 and 80 for it to work, but this was wrong I guess. Maybe it was only a limitation of Nextcloud AIO which I would have used otherwise…?

Try it out. You can try element and jitsi its free. Just test some matrix server with element web client and try out jitsi at their site.

For the self hosted instance yes I think you need a domain and subdomains.

A browser. Element web client and jitsi client are included as browser clients. They could install element if they want a client software that automatically starts and is dedicated

Kubernetes is too much. You could set up a matrix server for chat with jitsi for video meetings. Use element as client. Then add your game server(s).

For matrix/jitsi server setup use this playbook https://github.com/spantaleev/matrix-docker-ansible-deploy

It installs all you need for video, audio, and text chat.

Maybe change the config to be unfederated if you want a private server.

100% uptime is really not feasible so forget that. Even the commercial servers have downtimes.