server.js

const mongoose = require('mongoose');
const express = require('express');
require('dotenv').config();
const app = express();


// Import routes from respective files
const authRoutes = require('./routes/auth');
const todoRoutes = require('./routes/todo');

// Initialize Middleware
app.use(express.json()); // allow json data
app.use(express.urlencoded({ extended: true })); // allow url encoded data

app.use(express.static('./client/build'));

// Register routes
app.use('/api/auth', authRoutes);
app.use('/api/todo', todoRoutes);

app.get("*", (req, res) => {
   res.sendFile(path.resolve(__dirname, "client", "build",     
   "index.html"));
});

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

mongoose.connect(`${MONGODB_URI}`)
.then(() => {
    console.log('MongoDB Connected...')
})
.catch(err => {
    console.error(err.message);
})

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