import { Pool } from 'pg'; export const pool = new Pool({ user: 'postgres', host: 'localhost', database: 'kintone_license_server', password: 'psadmin', port: 5432, }); pool.on('connect', () => { console.log('Connected to PostgreSQL database'); }); pool.on('error', (err) => { console.error('Unexpected error on idle client', err); process.exit(-1); });