projeto_web/backend/config/database.js

import mysql from "mysql2/promise";
import dotenv from "dotenv";

dotenv.config();

export const pool = mysql.createPool({
    host : process.env.DB_HOST,
    port : process.env.DB_PORT,
    user: process.env.DB_USER,
    database: process.env.DB_NAME,
    password: process.env.DB_PASSWORD,
    waitForConnections: true,
    connectionLimit: 10
});

export async function executarSQL(sql, params = []){
    const [rows] = await pool.execute(sql, params);
    return rows;
}