better layout

server/index.js

@@ -4,29 +4,31 @@ import dotenv from 'dotenv';
 import cors from 'cors';
 // import IMPORTED_ROUTES from './routes/route.js';
 // un-comment this ^ ^ ^ to use imported route(s)
-// doing this will link this following files:   index.js -> route.js -> controller.js -> model.js
+// doing this will link the following files:   index.js -> route.js -> controller.js -> model.js
 
 // initialize app
 const app = express();
 dotenv.config();
 
-// connect to db --->        if you want to connect to cloud server: edit "CONNECTION_URL" in -> .env file
-const DB_NAME = 'testDB'; // if you want to use local server: edit this "DB_NAME" (and remove the "CONNECTION_URL" from -> .env file)
+// middlewares
+app.use(express.json()); // body parser
+app.use(cors()); // enables http requests
+
+// configure db --->            if you want to connect to cloud server: edit "CONNECTION_URL" in -> .env file
+const DB_NAME = 'exampleDB'; // if you want to use local server: edit this "DB_NAME" (and remove the "CONNECTION_URL" from -> .env file)
 const CONNECTION_URL = process.env.CONNECTION_URL || `mongodb://localhost:27017/${DB_NAME}`;
 const PORT = process.env.PORT || 8080; // 8080 === development port
 const DEPRECATED_FIX = { useNewUrlParser: true, useUnifiedTopology: true }; // change this with (possible) warnings on first connection
 
+// connect to db
+// mongoose connections   --->   https://mongoosejs.com/docs/connections.html
 mongoose
   .connect(CONNECTION_URL, DEPRECATED_FIX)
-  .then(() => console.log('✅ MongoDB connected'))
-  .then(() => app.listen(PORT, () => console.log(`✅ Listening on port: ${PORT}`)))
-  .catch((error) => console.log(`❌ ${error}`));
+  .then(() => console.log('✅ Mongoose (MongoDB) connected'))
+  .then(() => app.listen(PORT, () => console.log(`✅ Server listening on port: ${PORT}`)))
+  .catch((error) => console.log(`❌ MongoDB: ${error}`));
 
-mongoose.connection.on('error', (err) => console.log(`❌ MongoDB: ${err}`));
-
-// middlewares
-app.use(express.json()); // body parser
-app.use(cors()); // enables http requests
+mongoose.connection.on('error', (error) => console.log(`❌ MongoDB: ${error}`));
 
 // routes
 app.get('/', (req, res) => res.send('Hello World - Express.js'));