server.js

import mongoose from 'mongoose'
import app from './express.js'
import config from './config/config.js';

mongoose.Promise = global.Promise
mongoose.connect(config.mongoUri, {
  useNewUrlParser: true,
  useCreateIndex: true,
  useUnifiedTopology: true,
})

mongoose.connection.on('error', () => {
  throw new Error(`unable to connect to database: ${config.mongoUri}`)
})

app.listen(config.port, () => {
  console.info('Server started on port %s.', config.port)
})