diff --git a/docs/architecture/package-map.md b/docs/architecture/package-map.md
new file mode 100644
index 0000000..9cff104
--- /dev/null
+++ b/docs/architecture/package-map.md
@@ -0,0 +1,9 @@
+# Package Responsibility and Forbidden Dependencies
+
+| Package       | Responsibility                                          | Forbidden Dependencies        |
+|---------------|-------------------------------------------------------|-------------------------------|
+| Controller    | Handles incoming requests and responses                | Service -> Repository         |
+| Service       | Contains business logic and service level operations   | Repository -> Service         |
+| Repository    | Manages data persistence and retrieval                  | Controller -> Repository      |
+| Domain        | Defines domain model and logic                          | Not applicable                |
+| Integration    | Interfaces with external services                        | Service -> Integration        |
\ No newline at end of file