server.js

const mongoose = require('mongoose');
const dotenv = require('dotenv');

process.on('uncaughtException', (err) => {
  console.log('Unhandled rejection! Closing...');
  console.log(err);
  process.exit(1);
});

dotenv.config({ path: './config.env' });
const app = require('./app');

const uri = process.env.DATABASE.replace(
  '<password>',
  process.env.DATABASE_PASSWORD
);

mongoose
  .connect(uri, {
    useNewUrlParser: true,
    useFindAndModify: false,
    useCreateIndex: true,
    useUnifiedTopology: true,
  })
  .then(() => {
    console.log('Database connected successfully');
  });

const port = process.env.PORT || 5000;

const server = app.listen(port, () => {
  console.log(`Listening on port ${port}`);
});

process.on('unhandledRejection', (err) => {
  console.log('Unhandled rejection! Closing...');
  console.log(`${err.name}: ${err.message}`);
  server.close(() => {
    process.exit(1);
  });
});