Configure the PHP file size limit in the php.ini file. If it doesn't exist, create one.
php.ini
Edit or create ./vichan/docker/php/php.ini in the project root.
./vichan/docker/php/php.ini
To set the limit to 10MB, add:
upload_max_filesize = 10M post_max_size = 10M
Then restart the containers.
Edit or create /usr/local/etc/php/php.ini.
/usr/local/etc/php/php.ini
Then restart the PHP server.
Default limit is 2MB if not set.