diff --git a/5/docker-compose.yml b/5/docker-compose.yml
new file mode 100644
index 0000000..a20841a
--- /dev/null
+++ b/5/docker-compose.yml
@@ -0,0 +1,16 @@
+--- 
+# TIP: Why can't Docker run the entrypoint?
+
+services:
+  app:
+    image: git.autonomic.zone/autonomic-cooperative/docker-debugging-disco:0.1.0
+    ports:
+      - 8000:80
+    configs:
+      - source: custom_entrypoint
+        target: /custom-docker-entrypoint-2.sh
+    entrypoint: /custom-docker-entrypoint-2.sh
+
+configs:
+  custom_entrypoint:
+    file: entrypoint.sh
diff --git a/5/entrypoint.sh b/5/entrypoint.sh
new file mode 100644
index 0000000..d5693b9
--- /dev/null
+++ b/5/entrypoint.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+export CHALLENGE=5
+
+/custom-docker-entrypoint.sh