diff --git a/0_skeleton/docker-compose.yml b/0_skeleton/docker-compose.yml
index 0d4db52..e1480d6 100644
--- a/0_skeleton/docker-compose.yml
+++ b/0_skeleton/docker-compose.yml
@@ -8,7 +8,7 @@ services:
     #user: 1000:1000
     restart: unless-stopped
     ports:
-      - 8080:8080
+      - 8080:8080/tcp
     volumes:
       #- /etc/localtime:/etc/localtime:ro
       #- /etc/timezone:/etc/timezone:ro