diff --git a/Dockerfile b/Dockerfile
index 5ee3058..ee21c1c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:latest
 
 # Pakete installieren
 #RUN apt-get update
-RUN apk add -y build-essential gcc curl vim net-tools
+RUN apk add --no-cache build-essential gcc curl vim net-tools
 
 # User erstellen
 RUN adduser -D appuser