Example of how to use MySQL in a Google Cloud Function

gcf-mysql-snippet.js

const mysql = require('mysql');
const config = require('./config')['production'];

const pool = mysql.createPool({
    connectionLimit: 1,
    socketPath: '/cloudsql/' + config.database.connection,
    user: config.database.user,
    password: config.database.password,
    database: config.database.name
});

function getResults(req, res) {
    pool.query('select * from result;', (error, results) => {
        if (error) {
            console.log(error);
        }
        res.send(results);
    });
}