server.js

const path = require('path');
const express = require('express');
const dotenv = require('dotenv');
const morgan = require('morgan');
const colors = require('colors');
const fileupload = require('express-fileupload');
const cookieParser = require('cookie-parser');

const errorHandler = require('./middleware/error');

const connectDB = require('./config/db');

// load env vars
dotenv.config({ path: './config/config.env' });

// Route files
const bootcamps = require('./routes/bootcamps');
const courses = require('./routes/courses');
const auth = require('./routes/auth');

// Connect to database
connectDB();

const app = express();

// Body parser
app.use(express.json());

// Dev loggin middleware
if (process.env.NODE_ENV === 'development') app.use(morgan('dev'));

// File upload middleware
app.use(fileupload());

// Set static folder
app.use(express.static(path.join(__dirname, 'public')));

// Mount routers
app.use('/api/v1/bootcamps', bootcamps);
app.use('/api/v1/courses', courses);
app.use('/api/v1/auth', auth);
app.use(errorHandler);

app.use(cookieParser);

const { PORT = 5000 } = process.env;

const server = app.listen(PORT, () => {
	console.log(`Server running in ${process.env.NODE_ENV} mode on port ${PORT}`.yellow.bold);
});

// handle unhandled promise rejections

process.on('unhandledRejection', (err, promise) => {
	console.log(`Error: ${err.message}`.red);
	// Close server and exit process
	server.close(() => process.exit(1));
});