diff --git a/docker-compose.yml b/docker-compose.yml
index 81ca2d2..92a8717 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,9 @@ services:
     build: .
     volumes:
       - .:/demo
-      - /demo/tmp
+      - /demo/sample_app/tmp
+      - /demo/hello_app/tmp
+      - /demo/toy_app/tmp
     tty: true
     command: ["rails", "server", "-b", "0.0.0.0"]
     ports: