Terraform has support for hetzner cloud[1], not sure if that's the same as bare metal.
[1] https://www.terraform.io/docs/providers/hcloud/index.html
[1] https://www.terraform.io/docs/providers/hcloud/index.html
Hetzner Cloud is more like AWS EC2, if you choose dedicated vCPU, and more like VPS, if you don't.