added support of multiple arp-scan interfaces & attempt at solving DB permission issues

dockerfiles/start.sh

@@ -12,6 +12,9 @@ if [ -n "${PORT}" ]; then
   sed -ie 's/listen 20211/listen '${PORT}'/g' /etc/nginx/sites-available/default
 fi
 
+# I hope this will fix DB permission issues going forward
+chown -R www-data:www-data /home/pi/pialert/db/pialert.db
+
 /etc/init.d/php7.4-fpm start
 /etc/init.d/nginx start
 cron -f