diff --git a/backend/postcode_splitter/handler/Dockerfile b/backend/postcode_splitter/handler/Dockerfile
new file mode 100644
index 00000000..7c1a7989
--- /dev/null
+++ b/backend/postcode_splitter/handler/Dockerfile
@@ -0,0 +1,9 @@
+FROM public.ecr.aws/lambda/python:3.10
+
+# Set working directory (Lambda task root)
+WORKDIR /var/task
+
+# -----------------------------
+# Lambda handler
+# -----------------------------
+CMD ["main.handler"]
diff --git a/backend/postcode_splitter/handler/requirements.txt b/backend/postcode_splitter/handler/requirements.txt
new file mode 100644
index 00000000..e69de29b