Delete index.js

-const config =require('./config')
-const mongoose = require("mongoose");
-const connect = mongoose.connect(config.url,
-  {
-    useNewUrlParser: true,
-    useUnifiedTopology: true,
-  })
-  .then(() => console.log("DB : Succesfully Connected"))
-  .catch((err) => console.log(err.message));
-
-
-  const TimeSchema = new mongoose.Schema({
-    time: String,
-    prof: String,
-    credit: Number,
-  });
-
-  const SubSchema = new mongoose.Schema({
-    campus: String,
-    college: String,
-    department: String,
-    grade: String,
-    subject: [TimeSchema],
-  });
-
-  const Timeinfo = mongoose.model('Timeinfo', TimeSchema);
-  const Subinfo = mongoose.model('Subinfo', SubSchema);
-
-  module.exports = {Timeinfo, Subinfo};
-
-  var express = require('express');
-const request = require('request');
-const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
-const TOKEN = 'KDfacj4wYOewyww1JPcvRZYDz+9UaV/mtjr9jkYiZw2Ywm0NO9R100opUwuRHMzXoTxmstALtM5a6l4Ro8nkjQBOT8HsBsARXeqRt6gaKDb1Hu7FAOmQ6kcKN8qsiwyEdKWDJnqaCB7im3QIiPGqIAdB04t89/1O/w1cDnyilFU='
-const fs = require('fs');
-const path = require('path');
-const HTTPS = require('https');
-const domain = "2019102187.osschatbot2022.ml"
-const sslport = 23023;
-
-const bodyParser = require('body-parser');
-var app = express();
-app.use(bodyParser.json());
-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);
-});
-
-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);
-  }
-