update app.js

 const Address = require('./Address.js');
 const express = require('express');
+const request = require('request');
+const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
+const TOKEN = '채널 토큰으로 변경'
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+const domain = "도메인 변경"
+const sslport = 23023;
+const bodyParser = require('body-parser');
 const app = express();
 
 
@@ -12,15 +21,40 @@ app.get('',(req,res)=> {
     res.send('tset')
 })
 
-app.post('/hook', function(request,response){
-  var eventObj = request.body.events[0];
-
-  console.log("---------------",new Date(),"-----------------");
-  response.sendStatus(200);
-
-
-
-})
+app.post('/hook', function (req, res) {
+  var eventObj = req.body.events[0];
+  var source = eventObj.source;
+  var message = eventObj.message;
+  // request log
+  console.log('======================', new Date() ,'======================');
+  console.log('[request]', req.body);
+  console.log('[request source] ', eventObj.source);
+  console.log('[request message]', eventObj.message);
+  request.post(
+      {
+          url: TARGET_URL,
+          headers: {
+              'Authorization': `Bearer ${TOKEN}`
+          },
+          json: {
+              "replyToken":eventObj.replyToken,
+              "messages":[
+                  {
+                      "type":"text",
+                      "text":"Hello, user"
+                  },
+                  {
+                      "type":"text",
+                      "text":"May I help you?"
+                  }
+              ]
+          }
+      },(error, response, body) => {
+          console.log(body)
+      });
+  
+  res.sendStatus(200);
+});
 
 
 app.get('/keyboard', (req, res) => {