39 lines
1.9 KiB
JavaScript
39 lines
1.9 KiB
JavaScript
import mongoose from 'mongoose';
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import express from 'express';
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import dotenv from 'dotenv';
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import cors from 'cors';
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// import IMPORTED_ROUTES from './routes/route.js';
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// ^ ^ ^ un-comment this to use imported route(s)
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// doing this will link the following files: index.js -> route.js -> controller.js -> model.js
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// initialize app
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const app = express();
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dotenv.config(); // ??? ---> https://github.com/motdotla/dotenv#readme
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// middlewares
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app.use(express.json()); // body parser
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app.use(express.urlencoded({ extended: false })); // url parser
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app.use(cors()); // enables http requests
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// configure db ---> if you want to connect to cloud server: edit "CONNECTION_URL" in -> .env file
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const DB_NAME = 'exampleDB'; // if you want to use local server: edit this "DB_NAME" (and remove the "CONNECTION_URL" from -> .env file)
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const CONNECTION_URL = process.env.CONNECTION_URL || `mongodb://localhost:27017/${DB_NAME}`;
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const PORT = process.env.PORT || 8080; // 8080 === development port
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const DEPRECATED_FIX = { useNewUrlParser: true, useUnifiedTopology: true }; // change this with (possible) warnings on first connection
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// connect to db
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// mongoose connections ---> https://mongoosejs.com/docs/connections.html
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mongoose
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.connect(CONNECTION_URL, DEPRECATED_FIX) // just connect to db
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.then(() => console.log('✅ MongoDB connected')) // similiar to - mongoose.connection.on('open')
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.then(() => app.listen(PORT, () => console.log(`✅ Server listening on port: ${PORT}`))) // server is listening for requests
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.catch((error) => console.log(`❌ MongoDB: ${error}`)); // similiar to - mongoose.connection.on('error')
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// mongoose.set('useCreateIndex', true);
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// ^ ^ ^ uncomment this if you use the "unique: true" property in a model Schema
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// routes
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app.get('/example', (req, res) => res.send('Hello World - Express.js'));
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// app.use('/', IMPORTED_ROUTES);
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// ^ ^ ^ un-comment this to use imported route(s)
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