diff --git a/Dockerfile b/Dockerfile
index afed8e8..b0caff5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,7 @@ RUN mkdir /output
 VOLUME /output
 
 # User erstellen
-RUN adduser -D appuser
+RUN adduser -D appuser && chown /output appuser
 USER appuser
 
 #health
@@ -28,5 +28,5 @@ HEALTHCHECK --interval=5s --timeout=3s --retries=3 \
   CMD pgrep deployment || exit 1
 
 # Ausgabe wird ins Container-Dateisystem geschrieben
-ENTRYPOINT ["/bin/bash", "-c"]
+ENTRYPOINT ["/bin/sh", "-c"]
 CMD ["./deployment 10 > /output/output.txt && tail -f /output/output.txt"]
\ No newline at end of file