Update Dockerfile

Dockerfile

@@ -12,6 +12,10 @@ const app = express();
 const { createProxyMiddleware } = require("http-proxy-middleware");
 
 function authMiddleware(req, res, next) {
+  res.setHeader('Access-Control-Allow-Origin','*');
+  res.setHeader('Access-Control-Allow-Headers','*');
+  if(req.method === "OPTIONS") return res.status(204).end();
+  
   if (!process.env.authorization || (req.headers.authorization||req.url).indexOf(process.env.authorization)>-1) {
     next();
   } else {