create non root user

Author: marcel

Dockerfile

@@ -10,6 +10,12 @@ RUN go build -o waitfor
 
 # Runner
 FROM alpine:3.22.1
+
+# Create a non-root user "app" to run the application
+RUN addgroup -S app && adduser -S app -G app
+
 COPY --from=builder /app/waitfor /usr/local/bin/waitfor
 
+USER app
+
 ENTRYPOINT ["waitfor"]