server.js

const express = require('express');
const mongoose = require('mongoose');
const Article = require('./models/article');
const articleRouter = require('./routes/articles');
const methodOverride = require('method-override');
const app = express();

mongoose.connect('mongodb://localhost:27017/blog', { 
    useNewUrlParser: true, useUnifiedTopology: true
});

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

app.use(express.urlencoded({ extended: false}));

app.use(methodOverride('_method'));

app.get('/', async (req, res) => {
    const articles = await Article.find().sort({
        createdAt: 'desc'   });
    res.render('articles/index', { articles: articles });
});

app.use('/articles', articleRouter);

app.listen(5000);