curl --request GET \
  --url https://api.gcore.com/cloud/v1/apptemplates/{project_id}/{region_id}/{apptemplate_id} \
  --header 'Authorization: <api-key>'

{
  "app_config": [
    {
      "description": "tf2_hostname.description",
      "label": "tf2_hostname.label",
      "name": "tf2_hostname",
      "required": true,
      "type": "string"
    }
  ],
  "category": "gaming",
  "description": "tf2server.description",
  "developer": "Team Fortress 2 team",
  "display_name": "Team Fortress 2 server",
  "id": "tf2server",
  "image_name": "ubuntu-20.04-x64",
  "min_disk": 30,
  "min_ram": 16,
  "min_vcpus": 4,
  "os_name": "Ubuntu 20.04",
  "os_version": 20.04,
  "region_id": 1,
  "short_description": "tf2server.short_description",
  "usage": "tf2server.usage",
  "version": "latest",
  "website": "www.tf2server.com"
}