server.js

const express = require('express');
const mongoose = require('mongoose');
//const bodyParser = require('body-parser'); // allows to take request and get data from body
const path = require('path');
// Config .env (To ignore sensitive data from github)
require('dotenv').config({
    path: './config/config.env'
});


// Initialize express
const app = express()

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

// DB Config
const db = process.env.MONGOURI;

// Connect to Mongo
mongoose
    .connect(db, {
        useNewUrlParser: true,
        useCreateIndex: true,
        useUnifiedTopology: true
    }) // Adding new mongo url parser
    .then(() => console.log('MongoDB Connected...'))
    .catch(err => console.log(err));

// Use Routes
app.use('/api/users', require('./routes/api/users'));
app.use('/api/auth', require('./routes/api/auth'));

// Serve static assets if in production
if (process.env.NODE_ENV === 'production') {
    // Set static folder
    app.use(express.static('client/reactjs/build'));
}

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

app.listen(port, () => console.log(`Server started on port ${port}`));