const Client = require('mariasql');
const connection = new Client({
    host: process.env.hostname || packageJsonDbConfig.host,
    port: process.env.port || packageJsonDbConfig.port,
    user: process.env.userName,
    password: process.env.password,
    db: process.env.dbName || packageJsonDbConfig.dbName,
    multiStatements: true
});

Error: Access denied for user 'wd3digda5hp2ndmd'@'ec2-54-87-49-67.compute-1.amazonaws.com' (using password: YES)