feat: use cors() instead of hardcode

package.json

@@ -19,6 +19,7 @@
     "compression": "^1.7.4",
     "connect-mongo": "^4.6.0",
     "cookie-parser": "^1.4.6",
+    "cors": "^2.8.5",
     "dicom-parser": "^1.8.13",
     "dicom-to-json": "^1.2.1",
     "dotenv": "^16.0.0",

server.js

@@ -4,6 +4,7 @@ const bodyParser = require("body-parser");
 const session = require("express-session");
 const cookieParser = require("cookie-parser");
 const compress = require("compression");
+const cors = require("cors");
 const os = require("os");
 
 const mongoose = require("mongoose");
@@ -19,6 +20,7 @@ require("dotenv");
 
 app.use(compress());
 app.use(cookieParser());
+app.use(cors());
 
 //#region body parser
 
@@ -63,23 +65,6 @@ app.use(passport.session());
 
 //#endregion
 
-//#region global headers
-
-app.use((req, res, next) => {
-    res.setHeader(
-        "Access-Control-Allow-Headers",
-        "Origin, X-Requested-With, Content-Type, Accept ,Authorization"
-    );
-    res.setHeader("Vary", "Origin");
-    res.setHeader(
-        "Access-Control-Allow-Methods",
-        "POST, GET, OPTIONS, PUT, DELETE"
-    );
-    res.setHeader("Access-Control-Allow-Credentials", "true");
-    next();
-});
-
-//#endregion
 
 require("./routes.js")(app);
 // require('./services/user/passport')(passport);