Pre-cloud pets vs cattle approach. We ran a few pets, but had DC's worth of cattle thanks to PXE, TFPT and Ansible. No Terraform required, as there was no need to control the state of multiples of cloud cruft. Good times. Except when something would pack up in the middle of winter in the wee hours and it was a bollock-cracking motorbike ride to the DC to spit on the offending black box.