Add entrypoint script for better container startup and debugging

Dockerfile

@@ -22,6 +22,10 @@ COPY . /app/
 RUN mkdir -p /app/daily_order_reports_crew /app/daily_order_reports_merchbay && \
     chmod 755 /app/daily_order_reports_crew /app/daily_order_reports_merchbay
 
+# Copy entrypoint script
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+RUN chmod +x /docker-entrypoint.sh
+
 # Create crontab with both reports
 RUN echo "55 23 * * * BRAND=crew php /app/send_report.php >> /var/log/cron.log 2>&1" > /etc/crontabs/root && \
     echo "56 23 * * * BRAND=merchbay php /app/send_report.php >> /var/log/cron.log 2>&1" >> /etc/crontabs/root && \
@@ -35,5 +39,5 @@ RUN touch /var/log/cron.log && \
 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
     CMD ps aux | grep -v grep | grep -q crond || exit 1
 
-# Start cron in foreground
-CMD crond -f -l 2
+# Use entrypoint script
+ENTRYPOINT ["/docker-entrypoint.sh"]