I believe this issue is being tracked here: https://github.com/LemmyNet/lemmy/issues/3236

What does cloudflare have to do with k8s? Maybe you’re confusing it with load balancer.
To answer your question, yes, some big instances are actually using CF protection to mitigate DDoS attacks.

Does it support docker compose?

Production runs on Linux server. The problem is with development environment, I want to avoid Virtualbox as it would be an extra overhead to manage and affect DX.

Lost mine too, had an .ml domain for testing servers. Was baffled why the DNS won’t resolve, then I see this.

Mailcow for selfhosted email.