update

src/server.js

@@ -11,21 +11,21 @@ const PORT = 4000
 app.use(cors())
 app.use(bodyParser.json())
 
-app.listen(PORT, function () {
+app.listen(PORT, () => {
     console.log(`Server is running on Port: ${PORT}`)
 })
 
 mongoose.connect('mongodb://localhost:27017/todos?authSource=admin', {
     useNewUrlParser: true,
     useUnifiedTopology: true,
-    user: "admin",
-    pass: "admin"
+    user: "mongodbUser",
+    pass: "mongodbPass"
 })
 
 const connection = mongoose.connection
 
 connection.on('error', console.error.bind(console, 'connection error:'))
-connection.once('open', function () {
+connection.once('open', () => {
     console.log('Connected successfully to mongodb server')
 })