add prefixes into locals context

lab/root.hcl

@@ -15,6 +15,9 @@ locals {
   # Automatically load _envcommon, cross account and environment common variables
   common_vars = read_terragrunt_config(find_in_parent_folders("./_envcommon/common-variables.hcl"))
 
+  # Automatically load naming prefixes
+  prefixes = read_terragrunt_config(find_in_parent_folders("./_envcommon/prefixes.hcl"))
+
   # Automatically load region-level variables
   region_vars = read_terragrunt_config(find_in_parent_folders("region.hcl"))
 
@@ -24,15 +27,11 @@ locals {
   # Automatically load vpc-level variables
   vpc_vars = read_terragrunt_config(find_in_parent_folders("vpc.hcl"))
 
-  # Check if copy_images.tf exists in the module directory
-  has_copy_images = fileexists("${get_original_terragrunt_dir()}/copy_images.tf")
-
   # Add any other locals you want to expose
   # only expose things not already included via local.xxx_vars.locals.*
   root_locals_for_inputs = {
     is_module_enabled = local.is_module_enabled
     module_name       = local.module_name
-    has_copy_images   = local.has_copy_images
   }
 
   # Extract the variables we need for easy access