Terraform: replace template_dir

own_template_dir.tf

resource "local_file" "generated_file" {
  for_each = fileset("my_source_dir", "[^.]*")
  filename = "my_destination_dir/${each.value}"

  content = templatefile("my_source_dir/${each.value}", {
    "my_var" = "my_value"
  })  
}