changed to secure focused wolf image

Dockerfile

@@ -3,10 +3,10 @@
 # ============================================
 # Build Stage					
 # ============================================
-FROM alpine:latest AS build
+FROM cgr.dev/chainguard/wolfi-base:latest AS build
 
 # Nur die benötigten Pakete installieren mit --no-chache
-RUN apk add --no-cache gcc musl-dev
+RUN apk add --no-cache build-base
 
 # WORKDIR setzen
 WORKDIR /app
@@ -20,7 +20,7 @@ RUN gcc -o deployment deployment.c
 # ============================================
 # Runtime Stage
 # ============================================
-FROM alpine:latest AS runtime
+FROM cgr.dev/chainguard/wolfi-base:latest AS runtime
 
 # Curl für den HEALTHCHECK
 RUN apk add --no-cache curl