sudo nano /etc/php/7.2/fpm/php.ini
sudo nano /etc/php/7.2/cli/php.ini
sudo service php-fpm restart
sudo service php7.2-fpm restart
sudo service nginx restart
edit
upload_max_filesize = 999M
post_max_size = 999M
modules/backend/assets/js/october-min.js
modules/backend/assets/vendor/dropzone/dropzone.js
modules/backend/formwidgets/fileupload/assets/js/fileupload.js
maxFilesize