app.js

const express = require('express');
const app = express();
const bodyParser = require('body-parser');
const mongoClient = require('mongodb').MongoClient;

app.use(bodyParser.urlencoded({ extended:true }));

app.use(express.static('assets'));

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

app.get('/ronaldinho', (req, res) => {
    res.render('OI MUNDO');
}

app.get('/', (req, res)=>{

    mongoClient.connect('mongodb://dbdogs:w-h5U#Qz4{n@tatooine.mongodb.umbler.com:48145/dbdogs', (err, db)=>{
        
                if(!err){
                    let todo = req.body.todo;
                    let collection = db.collection('dogsCollection');
                
                    const find = collection.find();

                    find.toArray((err, results)=>{

                        res.render('index',{list: results});
                    });
                }
});

});

app.post('/', (req, res)=>{
    
    mongoClient.connect('mongodb://dbdogs:w-h5U#Qz4{n@tatooine.mongodb.umbler.com:48145/dbdogs', (err, db)=>{

                if(!err){
                    let todo = req.body.todo;
                    let collection = db.collection('dogsCollection');
                
                    collection.insert({reminder : todo});
                    res.redirect('index');
                }
            });

    
});

app.listen(3000, ()=>{
    console.log('Ouvindo na 3000');
});