Fix IAC vulnerability issue

Author: cx-Margarita-LevitM

Dockerfile

@@ -9,6 +9,8 @@ COPY cleanup.sh /app/cleanup.sh
 RUN chmod +x /app/entrypoint.sh \
     && chmod +x /app/cleanup.sh
 
+RUN chown -R nonroot:nonroot /app
+
 USER nonroot
 
 HEALTHCHECK NONE