Postgresql Database conenction

pg-config.js

const pgLocalConfig = {
    pgUser:             '',
    pgDatabase:         '',
    pgPassword:         '',
    pgHost:             'localhost',
    pgPort:             5432,
    pgMaxPoolClients:   10,
    pgTimeoutMilli:     5000
};

export default pgLocalConfig;

postgresql-connector.js

import pg from 'pg';
import colors from 'colors';

import pgLocalConfig from './pg-config';

const config = {
	user: process.env.PGUSER || pgLocalConfig.pgUser,
	database: process.env.PGDATABASE || pgLocalConfig.pgDatabase,
	password: process.env.PGPASSWORD || pgLocalConfig.pgPassword,
	host: process.env.PGHOST || pgLocalConfig.pgHost,
	port:  process.env.PGPORT || pgLocalConfig.pgPort,
	max: process.env.PGMAXPOOLCLIENTS || pgLocalConfig.pgMaxPoolClients,
	idleTimeoutMillis: process.env.PGTIMEOUTMILLI || pgLocalConfig.pgTimeoutMilli 
};

console.log(`[+] Enabling PG SQL client pool ...`.yellow);
const pgPool = new pg.Pool(config, err => {
    console.log(`${err}`.red);                         
});

export { pgPool };