ESPHome in Proxmox - environment variables

I’m playing with esphome, installed in LXC container on proxmox to see if it’s any better/quicker than embedded in HA.

It works, but i can’t find where are environment variables stored? Specifically i’d like to set “status_use_ping: true”, because without it all my devices are offline (i use static IP , not mdns).
Does anyone knows where to put that? I guess it must be done via shell with command, because i can’t find settings anywhere (like the ones in HA addon).

I assume you have already read this: Frequently Asked Questions — ESPHome if you have got as far as you have… If that doesn’t answer your quest the best place to ask may be on the ESPHome Discord server:

Yeah, i’ve read that, thanks… i’m not much in proxmox (yet), neither in docker, so i don’t know what kind of installation is LXC… but i don’t think it’s actually docker… since when i open shell in proxmox docker is unknown command, so none of that commands works…