node.js express server 띄우기

node.js express server 띄우기

helllo를 출력해주는 node.js express server를 띄워보자.

필요한 package

다음과 같이 3개가 필요하다. express, morgan, cors

npm install --save express morgan cors

프로젝트 구조

project_root/

server/

app.js

index.js

index.js

'use strict';
const app = require('./app');
const PORT = process.env.PORT || 9000;
app.listen(PORT, () => {
    console.log(`App listening on port ${PORT}!`);
});

app.js

// server/app.js
const express = require('express');
const morgan = require('morgan');
const cors = require('cors');
const path = require('path');
const app = express();
const client = require('cheerio-httpcli');
 
// Setup logger
app.use(morgan(':remote-addr - :remote-user [:date[clf]] ":method :url HTTP/:http-version" :status :res[content-length] :response-time ms'));
 
// Serve static assets
app.use(express.static(path.resolve(__dirname, '..', 'build')));
 
app.use(cors());
 
var corsOptions = {
    origin: '*',
    optionsSuccessStatus: 200 // some legacy browsers (IE11, various SmartTVs) choke on 204
}
 
// Always return the main index.html, so react-router render the route in the client
app.get('/', (req, res) => {
    res.sendFile(path.resolve(__dirname, '..', 'build', 'index.html'));
});
 
app.get('/hello', cors(corsOptions), (req, res) => {
    client.fetch('http://www.google.com/search', {q:"맛집"}, (err, $, response, body)=>{
        res.send(body);
    });
});
 
app.get('/bye', cors(corsOptions), (req, res) => {
    let greeting = {"message": "bye"};
    res.send(greeting);
});
 
module.exports = app;

package.json

{
  "name": "react_app_05",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "axios": "^0.16.2",
    "cheerio-httpcli": "^0.7.0",
    "cors": "^2.8.3",
    "express": "^4.15.3",
    "morgan": "^1.8.2",
    "react": "^15.5.4",
    "react-dom": "^15.5.4"
  },
  "devDependencies": {
    "react-scripts": "1.0.7"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test --env=jsdom",
    "eject": "react-scripts eject",
    "server": "node server"
  }
}
 

실행 방법

node server

end.