+RUN echo '#!/bin/bash -x' >>$STARTUP \
+&& echo "function handle_sigterm() {" >>$STARTUP \
+&& echo -e " echo Stopping nfs-server" >>$STARTUP \
+&& echo -e " systemctl stop nfs-server" >>$STARTUP \
+&& echo -e " exit 0" >>$STARTUP \
+&& echo "}" >>$STARTUP \
+&& echo "trap 'handle_sigterm' 15" >>$STARTUP \