#[Help] Create database backup file — Page 1

Guys i try download backups of my database... any help to make this?
This code create .sql file but nothing inside file, and not send in discord.
async function handleButtonInteraction(interaction) {
    const collectorFilter = i => i.user.id === interaction.user.id;
    try {
        const confirmation = await interaction.channel.awaitMessageComponent({ filter: collectorFilter, time: 10000 });

        if (confirmation.customId === 'confirm_bkp') {
            try {
                const backupFileName = `backup-${Date.now()}.sql`;
                const dumpCommand = `mysqldump -h ${process.env.DB_HOST || 'localhost'} -u ${process.env.DB_USER || 'root'} -p${process.env.DB_PASSWORD || ''} ${process.env.DB_NAME || 'botv2'}`;

                exec(dumpCommand, async (error, stdout, stderr) => {
                    if (error || stderr) {
                        console.error('Erro create db backup:', error || stderr);
                        if (!interaction.replied && !interaction.deferred) {
                            return interaction.reply({ content: 'Erro create db backup.', ephemeral: true });
                        }
                        return;
                    }

                    const backupBuffer = Buffer.from(stdout, 'utf-8');
                    const attachment = new AttachmentBuilder(backupBuffer, backupFileName);
                    if (!interaction.replied && !interaction.deferred) {
                        interaction.reply({ content: ':white_check_mark: Here your backup:', files: [attachment] });
                    }
                });
            } catch (error) {
                await confirmation.update({ content: ':x: Erro create db backup.', components: [] });
            }
        } else if (confirmation.customId === 'cancel_bkp') {
            await confirmation.update({ content: ':x: Canceled', components: [] });
        }
    } catch (e) {
        await interaction.followUp({ content: ':x: Timeout! Action canceled.\n', ephemeral: true });
        await sleep(2000);
        await interaction.deleteReply();
    }
}