| agent_count | Number of K3S agents to create | number | 1 | no |
| agent_type | Hetzner server instance type for K3S agents | string | "ccx23" | no |
| environment | Environment/stage for the resources (prod, dev, staging) | string | n/a | yes |
| labels | additional labels for all created resources | map(string) | {} | no |
| location | Hetzner location for created resources (nbg1, fsn1, …) | string | "nbg1" | no |
| name | Name for the K3S cluster associated resources | string | n/a | yes |
| network_id | Hetzner network id for the created servers | number | n/a | yes |
| network_zone | Hetzner network zone for network resources (eu-central, us-east, us-west) | string | "eu-central" | no |
| nodes_cidr | CIDR for the server subnet | string | "10.0.1.0/24" | no |
| server_count | Number of K3S servers to create | number | 3 | no |
| server_type | Hetzner server instance type for K3S servers | string | "ccx13" | no |
| ssh_key_id | Hetzner id of the SSH key for the created servers | number | n/a | yes |