import express from 'express'; import mongoose from 'mongoose' import { json } from 'body-parser'; import { todoRouter } from './routes/todo' const app = express() app.use(json()) app.use(todoRouter) mongoose.connect('mongodb://localhost:27017/test-todo', { useNewUrlParser: true, useCreateIndex: true, useUnifiedTopology: true }, () => { console.log('connected to database') }) app.listen(3000, () => { console.log('server is listening on port 3000') })