diff --git a/Dockerfile b/Dockerfile
index a5cdf64..4f97fd6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,14 @@
 # Base-Image
-FROM ubuntu:latest
+FROM alpine:latest
 
 # Pakete installieren
 RUN apt-get update
 RUN apt-get install -y build-essential gcc curl vim net-tools
 
+# User erstellen
+RUN adduser -D appuser
+USER appuser
+
 # Arbeitsverzeichnis setzen
 WORKDIR /app