feature: allow CORS from freefalk.tk domain

app/server/src/index.js

@@ -14,9 +14,20 @@ let cookieParser = require('cookie-parser');
 const app = express();
 const port = process.env.PORT || 3002;
 
+const whitelist = [`http://localhost:${ port }`, `http://freefalk.tk`]
+
 const corsOptions = {
-    origin: `http://localhost:${ port }`,
-    credentials: true
+  credentials: true,
+  origin: function(origin, callback){
+    // allow requests with no origin 
+    if(!origin) return callback(null, true);
+    if(whitelist.indexOf(origin) === -1){
+      var message = "The CORS policy for this origin doesn't " +
+                "allow access from the particular origin.";
+      return callback(new Error(message), false);
+    }
+    return callback(null, true);
+  }
 };
 
 app.use(express.json());
@@ -48,7 +59,7 @@ app.use(errorRoutes);
     try{
         await new Promise( (__ful, rej__ )=>{
             app.listen(port, function(){
-                console.log( `ToDo server is up on port ${ port }`);
+                console.log(`todo-app-backend is up on port ${ port }`);
                 __ful();
             }).on( 'error', rej__);
         });