diff --git a/z1/prepare-app.sh b/z1/prepare-app.sh
new file mode 100755
index 0000000..8f32f99
--- /dev/null
+++ b/z1/prepare-app.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+docker compose build
diff --git a/z1/start.app.sh b/z1/start.app.sh
old mode 100644
new mode 100755
diff --git a/z1/stop.app.sh b/z1/stop.app.sh
old mode 100644
new mode 100755