diff --git a/.gitmodules b/.gitmodules
new file mode 100644
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--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "fastapi-postgres-redis-cloudformation"]
+	path = fastapi-postgres-redis-cloudformation
+	url = https://github.com/meysam81/dockercon2022-talk
diff --git a/fastapi-postgres-redis-cloudformation b/fastapi-postgres-redis-cloudformation
new file mode 160000
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--- /dev/null
+++ b/fastapi-postgres-redis-cloudformation
@@ -0,0 +1 @@
+Subproject commit 465afe84045de928c89a186d40ce4f2f44d90be3