ProxMenux/oci/catalog/overlays/jdownloader.json

{
  "proxmox": {
    "installer_profile": {
      "volume_preparations": [
        {
          "container_path": "/config",
          "remove_lost_found": true,
          "owner_strategy": "mapped-root"
        },
        {
          "container_path": "/output",
          "remove_lost_found": true,
          "owner_strategy": "mapped-root",
          "only_when_mount_type": "managed-volume"
        }
      ]
    }
  }
}