We use it for a huge part of our infrastructure. 3000+ pods running on an on-premise K8s cluster, with most supporting services and systems also running on NixO

We use it for a huge part of our infrastructure. 3000+ pods running on an on-premise K8s cluster, with most supporting services and systems also running on NixOS. We could never have done what we do, with the manpower we have, with something like Debian+ansible.