const AWS = require('aws-sdk');
const { Client } = require('pg')

const ssm = new AWS.SSM();
const params = {
  Name: 'config',
  WithDecryption: false
};
ssm.getParameter(params, function(err, data) {
    if (err) {
        console.log(err, err.stack);
    } else {
        const config = JSON.parse(data.Parameter.Value);

        const client = new Client({
            user: config.user,
            host: config.host,
            database: config.database,
            password: config.password,
            port: config.port
        })
        client.connect()

        client.query('SELECT NOW()', (err, res) => {
            console.log(err, res)
            client.end()
        })
    }
});