doc

README.md

@@ -1 +1,35 @@
-# terraform-terragrunt-aws-project
+# terraform-terragrunt-aws-project
+
+# File structure
+
+```bash
+terrafrom-terragrunt-aws-project
+├── terragrunt.hcl
+├── modules
+│   ├── subnet
+│   │   ├── main.tf
+│   │   ├── output.tf
+│   │   └── variables.tf
+│   └── vpc
+│       ├── main.tf
+│       ├── output.tf
+│       └── variables.tf
+├── terraform
+│   ├── common
+│   │   └── common-resources.tf
+│   ├── stage
+│   │   ├── modules (symlink with root modules)
+│   │   ├── common-*.tf (symlink with common)
+│   │   ├── main.tf
+│   │   └── variables.tf
+│   └── prod
+│       ├── modules (symlink with root modules)
+│       ├── common-*.tf (symlink with common)
+│       ├── main.tf
+│       └── variables.tf
+└── environment
+    ├── stage
+    │   └── terragrunt.hcl
+    └── prod
+        └── terragrunt.hcl
+```