how to manage a db connection in javascript
//put these lines in a seperate file
const mysql = require('mysql2');
const connection = mysql.createPool({
    host: "localhost",
    user: "",
    password: "",
    database: ""
    // here you can set connection limits and so on
});
module.exports = connection;
//put these on destination page
const connection = require('../util/connection');
async function getAll() {
    const sql = "SELECT * FROM tableName";
    const [rows] = await connection.promise().query(sql);
    return rows;
} 
exports.getAll = getAll;
