diff --git a/docker-compose.yml b/docker-compose.yml
index 52aa246..82c09cf 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,5 +5,5 @@ services:
     command: bash -c "rm -f tmp/pids/server.pid && bundle exec rails s -p 3000 -b '0.0.0.0'"
     volumes:
       - .:/myapp
-    ports:
-      - "80:3000"
+    expose:
+      - "3000"