Update server.js

server.js

@@ -6,7 +6,7 @@ const key = process.env.KEY
 app.use('/', proxy(targetUrl, {
   proxyReqOptDecorator: (proxyReqOpts, srcReq) => {
     // Modify the request headers if necessary
-    proxyReqOpts.headers['Authorization'] = 'Bearer '+openai_key;
+    proxyReqOpts.headers['Authorization'] = 'Bearer '+key;
     return proxyReqOpts;
   },
 }));