CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true

Question

I have a setup involving

Frontend server (Node.js, domain: localhost:3000) <---> Backend (Django, Ajax, domain: localhost:8000)

Browser <-- webapp <

Answer 1

If you are using CORS middleware and you want to send withCredential boolean true, you can configure CORS like this:

var cors = require('cors');    
app.use(cors({credentials: true, origin: 'http://localhost:3000'}));