How to resize my image in the local storage using Waffle versioning?

Questions / Help
1

i have stored image using waffle in my local storage due to it , i face storage issue , do waffle versioning helps in reducing the storage space , so i tried in transforming it in thumb version but it leads to match error how to resolve

@versions [:original, :thumb]
  def acl(:original, _), do: :public_read
  def acl(:thumb, _), do: :public_read
  @extension_whitelist ~w(.jpg .jpeg .gif .png .xlsx .word .pdf .txt .vue .ex .json .webp)

  def validate({file, _}) do
    file_extension = file.file_name |> Path.extname |> String.downcase
    IO.inspect(file_extension)
    case Enum.member?(@extension_whitelist, file_extension) do
      true -> :ok
      false -> {:error, "file type is invalid"}
    end
  end

  def transform(:thumb, _scope) do
    {:convert, "-strip -thumbnail 100x100^ -gravity center -extent 100x100"}
  end

  def filename(version, {file, _scope}) do
   actual_file_without_flags = String.split("#{file.file_name}", "*~*~*~*~*")
    [name, _] = String.split(List.last(actual_file_without_flags),".")
    "#{version}_#{name}"
  end

 def storage_dir(_version, {_file, scope}) do
   "/#{scope.trnx_year}/#{scope.trnx_type}"
 end

this is the func i have used to store the image:

def bulk_image_upload_purchase_order(conn, params) do
    image_attached = params["image_upload"]

    case image_attached do
      nil ->
        json(conn, %{"status" => "No images attached"})
      [] ->
      nil
      _ ->
        for param <- image_attached do
          first_split = String.split("#{param.filename}", "*~*~*~*~*")
          second_split = String.split(List.first(first_split), "#@#@#@#@#")

          trnx_year = if List.first(second_split), do: List.first(second_split), else: NaiveDateTime.utc_now().year
          trnx_type = if List.last(second_split), do: List.last(second_split), else: "Common"

          scope = %{trnx_year: trnx_year, trnx_type: trnx_type}

          {:ok, file_name} = Avatar_Local.store({param, scope})
          # :ok = Avatar_Local.delete({file_name, scope})
        end
        json(conn, %{"status" => "Uploaded Successfully"})
    end
  end