changed non root user settings

Dockerfile

@@ -13,15 +13,13 @@ FROM alpine:3.21
 RUN apk update && apk upgrade --no-cache
 
 # Nicht-root-User anlegen
-RUN addgroup -S appgroup && adduser -S appuser -G appgroup
-
-# Output-Verzeichnis mit korrekten Rechten anlegen
-RUN mkdir /output && chown appuser:appgroup /output
+RUN adduser -D appuser
+RUN mkdir /output && chown appuser /output
+USER appuser 
 
 COPY --from=builder /build/deployment /app/deployment
 
 VOLUME [ "/output" ]
-USER appuser
 WORKDIR /app
 
 HEALTHCHECK --interval=30s --timeout=4s --start-period=10s --retries=3 \

Dockerfile-alt

@@ -0,0 +1,22 @@
+# Base-Image
+FROM ubuntu:latest
+
+# Pakete installieren
+RUN apt-get update
+RUN apt-get install -y build-essential gcc curl vim net-tools
+
+# Arbeitsverzeichnis setzen
+WORKDIR /app
+
+# alles kopieren
+COPY . .
+
+# Code kompilieren
+RUN gcc -o deployment deployment.c
+
+# Verzeichnis für Ausgabe anlegen
+RUN mkdir /output
+
+# Ausgabe wird ins Container-Dateisystem geschrieben
+ENTRYPOINT ["/bin/bash", "-c"]
+CMD ["./deployment 10 > /output/output.txt && tail -f /output/output.txt"]