Modify certification way

 var express = require('express');
 const request = require('request');
+var config = require('./config.json');
 const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
-const TOKEN = 'ejLSECVgPBYNuEumq2Nw0w9ibDBoK9ixMnOp4jk41cLqHU5+vL1s5q7L4Ko7QcEiSCq1eJc1dPzG5P7HbbOKx490Oe6S1qZ7ob3YiTyfNN1NuOTm9jNYW22ctklbb8tFlDIDgSZbwz48jvQmAbdY9QdB04t89/1O/w1cDnyilFU='
+const TOKEN = config.TOKEN;
 const KOFIC_URL = 'http://www.kobis.or.kr/kobisopenapi/webservice/rest/movie/searchMovieInfo.json'
-const KOFIC_KEY = 'fc36c6b83d1b3f06d8dc861b7e22787b'
+const KOFIC_KEY = config.KOFIC_KEY;
 
 const fs = require('fs');
 const path = require('path');
 const HTTPS = require('https');
-const domain = "2018102181.osschatbot2022.tk"
+const domain = config.domain;
 const sslport = 23023;
 const bodyParser = require('body-parser');
 var app = express();