How to enable cors nodejs with express?

Question

In summary I am using a viewer like api of dicom files called cornerstone, for this I connect to the WADO service of dc4chee to get the dicom, dcm4chee runs port 8080, and m

Answer 1

do

npm install cors --save

and just add these lines in your main file where your request is going.

const cors = require('cors');
const express = require('express');
let app = express();
app.use(cors());
app.options('*', cors());