diff --git a/.env.sample b/.env.sample
index 5643664..5e127b9 100644
--- a/.env.sample
+++ b/.env.sample
@@ -17,3 +17,4 @@ SECRET_TEST_PASS_TWO_VERSION=v1 # length=10
 #SECRET_EXTRA_PASS_VERSION=v1
 
 NETWORK_WITH_COMMENT=BAZ # should be removed
+#SECRET_LONG_SECRET_VERSION=v1
diff --git a/compose.long_secret.yml b/compose.long_secret.yml
new file mode 100644
index 0000000..0c994a9
--- /dev/null
+++ b/compose.long_secret.yml
@@ -0,0 +1,12 @@
+---
+version: "3.8"
+
+services:
+  app:
+    secrets:
+      - long_secret
+
+secrets:
+  long_secret:
+    external: true
+    name: ${STACK_NAME}_long_secret1234567890_${SECRET_LONG_SECRET_VERSION}