proxy openai-api.requests so a class has access without needing their own api keys

httpProxy-openai.js

'use strict'
/*
* students / class post everything to this domain (including path intended for openai
* this acts as reverse proxy with proper open api token value applied
* responses flow back to original client 
*/
import express  from 'express'
var app = express();
import httpProxy from 'http-proxy'
var apiProxy = httpProxy.createProxyServer();
const target = 'https://api.openai.com/' 
const APIKEY = process.env.OPEN_API_KEY
const token = `Bearer ${APIKEY}`
// inject header w openai token and pass the request to target 
apiProxy.on('proxyReq', function(proxyReq, req, res, options) {
  proxyReq.setHeader('Authorization', token);
});

app.post("/*", function(req, res) {
  console.log('redirecting to Server2');
apiProxy.web(req, res, {target: target, changeOrigin: true, secure: false});
});

app.listen(process.env.PORT || 5000);