Dockerfile aktualisiert

Dockerfile

@@ -1,19 +1,22 @@
-# Base-Image
-FROM alpine:latest
+# Stage 1: Build
+FROM alpine:latest AS builder
 
-# Pakete installieren
 RUN apk add --no-cache build-base gcc
 
+WORKDIR /app
+
+COPY . .
+
+RUN gcc -static -o deployment deployment.c
+
+# Stage 2: Runtime
+FROM alpine:latest
+
 RUN addgroup -S appgroup && adduser -S appuser -G appgroup
 
-# Arbeitsverzeichnis setzen
 WORKDIR /app
 
-# alles kopieren
-COPY . .
-
-# Code kompilieren
-RUN gcc -o deployment deployment.c
+COPY --from=builder /app/deployment .
 
 RUN mkdir /output && chown appuser:appgroup /output
 
@@ -21,10 +24,8 @@ VOLUME ["/output"]
 
 USER appuser
 
-#Healthcheck
 HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
     CMD test -f /output/output.txt || exit 1
 
-# Ausgabe wird ins Container-Dateisystem geschrieben
 ENTRYPOINT ["/bin/sh", "-c"]
 CMD ["./deployment 10 > /output/output.txt && tail -f /output/output.txt"]