const express = require('express'); const app = express(); app.set('port', process.env.PORT || 3000); app.get('/', (req, res) => { res.send('hello express'); }); app.post('/', (req, res) => { res.send('hello express'); }); app.get('/about', (req, res) => { res.send('hello express'); }); app.listen(3000, () => { console.log('익스프레스 서버 실행'); }); jaehyeonkwon@JaeHyeonui-MacBookPro express % nodemon ..