curl --request POST \
  --url https://api.gcore.com/cloud/v3/gpu/virtual/{project_id}/{region_id}/clusters \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "flavor": "g3-ai-32-192-1500-l40s-48-1",
  "name": "gpu-cluster-1",
  "servers_count": 3,
  "servers_settings": {
    "credentials": {
      "password": "securepassword",
      "ssh_key_name": "my-ssh-key",
      "username": "admin"
    },
    "interfaces": [
      {
        "ip_family": "ipv4",
        "name": "eth0",
        "type": "<string>"
      }
    ],
    "security_groups": [
      {
        "id": "b4849ffa-89f2-45a1-951f-0ae5b7809d98"
      }
    ],
    "user_data": "eyJ0ZXN0IjogImRhdGEifQ==",
    "volumes": [
      {
        "boot_index": 1,
        "delete_on_termination": true,
        "name": "my-data-disk",
        "size": 100,
        "source": "<string>",
        "tags": {
          "key1": "value1"
        },
        "type": "cold"
      }
    ]
  },
  "tags": {
    "my-tag": "my-tag-value"
  }
}'

{
  "tasks": [
    "d478ae29-dedc-4869-82f0-96104425f565"
  ]
}