Add app.js and package.json

+var express = require('express');
+const request = require('request');
+const PUSH_TARGET_URL = 'https://api.line.me/v2/bot/message/push'
+const REPLY_TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
+const TOKEN = 'Zd+BLpi6wLHMngB3EK74S1W7ApnAXuYZ86xGIi60JKrSW0xI0JyXlCzpunYxk9fxtOkH4y2/CNrb6K7WYldpXBwUkCKNIyEQ04AUpQKQ1EzS6C3qm6y5sBm0zs/Gmzn6n1v1jLfmSpxyLir7VqHk5wdB04t89/1O/w1cDnyilFU='
+const USER_ID = 'Uaa6ee8ae309532533aead588d062180d'
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+const domain = "osschatbot.tk"
+const sslport = 23023;
+
+const bodyParser = require('body-parser');
+var app = express();
+app.use(bodyParser.json());
+
+request.post(
+    {
+        url: PUSH_TARGET_URL,
+        headers: {
+            'Authorization': `Bearer ${TOKEN}`
+        },
+        json: {
+            "to": `${USER_ID}`,
+            "messages":[
+                {
+                    "type":"sticker",
+                    "packageId":"11538",
+                    "stickerId":"51626517"
+                },
+                {
+                    "type":"text",
+                    "text":"안녕하세요\n"+
+                    "음식추천 챗봇 쿠밥봇입니다\n\n"+
+                    "원하시는 메뉴를 골라주세요\n\n"+
+                    "1.한식2.중식3.양식\n"+
+                    "4.일식.5.분식6.아시안\n"+
+                    "7.패스트푸드8.학식"
+                },
+                {
+                    "type":"text",
+                    "text":"Welcome!!!\n" +
+                    "I'm a food recommendation chatbot, KHUBABBOT\n"+
+                    "Please choose the menu you want\n"+
+                    "1. Korean food 2. Chinese food 3. Western food\n"+
+                    "4. Japanese food 5. Snack food 6. Asian food\n"+
+                    "7. Fast food 8. School food\n"
+                }
+            ]
+        }
+    },(error, response, body) => {
+        console.log(body)
+    });
+
+app.post('/hook', function (req, res) {
+
+    var eventObj = req.body.events[0];
+    var source = eventObj.source;
+    var message = eventObj.message;
+
+    const foodArr = [
+        {index : 1, name: "한식"}, 
+        {index : 2, name: "중식"}, 
+        {index : 3, name: "양식"}, 
+        {index : 4, name: "일식"}, 
+        {index : 5, name: "분식"}, 
+        {index : 6, name: "아시안"}, 
+        {index: 7, name: "패스트푸드"}, 
+        {index: 8, name: "학식"}
+    ];
+
+    // request log
+    console.log('======================', new Date() ,'======================');
+    console.log('[request]', req.body);
+    console.log('[request source] ', eventObj.source);
+    console.log('[request message]', eventObj.message);
+    
+    var food = foodArr.find(element => element.index ==  message.text || element.name == message.text);
+
+    console.log(food);
+
+    request.post(
+        {
+            url: REPLY_TARGET_URL,
+            headers: {
+                'Authorization': `Bearer ${TOKEN}`
+            },
+            json: {
+                "replyToken":eventObj.replyToken,
+                "messages":[
+                    {
+                    "type": "location",
+                    "title": "my location",
+                    "address": "1-6-1 Yotsuya, Shinjuku-ku, Tokyo, 160-0004, Japan",
+                    "latitude": 35.687574,
+                    "longitude": 139.72922
+                    }
+                ]
+            }
+        },(error, response, body) => {
+            console.log(body)
+        });
+    
+    res.sendStatus(200);
+});
+
+try {
+    const option = {
+        ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
+        key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/privkey.pem'), 'utf8').toString(),
+        cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/cert.pem'), 'utf8').toString(),
+    };
+    
+    HTTPS.createServer(option, app).listen(sslport, () => {
+        console.log(`[HTTPS] Server is started on port ${sslport}`);
+    });
+    } catch (error) {
+    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
+    console.log(error);
+    }
\ No newline at end of file

+{
+  "dependencies": {
+    "express": "^4.18.2",
+    "request": "^2.88.2"
+  }
+}