Minor alterations to ddevcontainer.

install/production-filesystem/services/cron_script.sh

@@ -7,8 +7,8 @@ export INSTALL_DIR=/app
 if grep -q "cron_restart_backend" "${LOG_EXECUTION_QUEUE}"; then
   # Restart python application using s6
   killall python3
+  sleep 2
   /services/start-backend.sh &
-  echo 'done'
 
   # Remove all lines containing cron_restart_backend from the log file
   sed -i '/cron_restart_backend/d' "${LOG_EXECUTION_QUEUE}"