@zaneray/express-cors

function: process.env.CORS_WHITELIST will be read for origins to allow, other origins will be denied.
process.env.CORS_WHITELIST should be a CSV string like: https://zaneray.com,https://www.zaneray.com

use:

//in your express server startup file

const express = require('express') const server = express() const cors = require("@zaneray/cors");

//we talk to origins defined in process.env.CORS_WHITELIST server.use(cors);