index.js

require('dotenv').config();
const express   = require('express');
const morgan    = require('morgan');
const mongoose  = require('mongoose');
const cors      = require('cors');
const bodyParser = require('body-parser');

const app = express();

// mongoose.connect(process.env.MONGODB_URI || 'mongodb://localhost/poordash', {
//     useNewUrlParser: true,
//     useCreateIndex: true,
//     useUnifiedTopology: true
// }, () => { console.log('connected to mongoDB') });

// App middlewares setup
app.use(morgan('combined'));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(cors());
app.use(bodyParser.urlencoded({
    extended: true
}));
app.use(bodyParser.json());

if(process.env.NODE_ENV === 'production') app.use(express.static('client/build'));

const routes = require('./routes');
app.use(routes);

const PORT = process.env.PORT || 3001;
app.listen(PORT, () => console.log(`Server started on PORT: ${PORT}`));