reference: https://www.marksei.com/install-nextcloud-12-centos-7/ https://docs.nextcloud.com/server/12/admin_manual/configuration_files/big_file_upload_configuration.html
Uploading big files > 512MB
Nextcloud comes with its own nextcloud/.htaccess file. Because php-fpm can’t read PHP settings in .htaccess these settings must be set in the nextcloud/.user.ini file.
upload_max_filesize=2048M post_max_size=2048M
php_value upload_max_filesize = 16G php_value post_max_size = 16G
/etc/php.ini php_value upload_max_filesize = 16G php_value post_max_size = 16G
php_value max_input_time 3600 php_value max_execution_time 3600