app.js

const express = require('express');
const morgan = require('morgan');
const mongoose = require('mongoose');
const blogRoutes = require('./routes/blogRoutes');

// express app
const app = express();

// connect to MongoDB
const dbURI = '';
mongoose.connect(dbURI, { useNewUrlParser: true, useUnifiedTopology: true })
        .then((result) => {
            console.log('connected to database');
            app.listen(3000);
        })
        .catch((err) => console.log(err));

// register view engine
app.set('view engine', 'ejs');

/**
 *  Middlewares
 */
app.use(express.static('public'));
app.use(express.urlencoded({ extended: true }));
app.use(morgan('dev'));

app.get('/', (req, res) => {
    res.redirect('/blogs');
});

app.get('/about', (req, res) => {
    res.render('about', { title: 'About' });
});

// blog Routes
app.use('/blogs', blogRoutes);

// 404
app.use((req, res) => {
    res.status(404).render('404', { title: '404' });
});