Create showYesterdayRank function

+var express = require('express');
+const request = require('request');
+
+// 라인 API 요청 URL(메시징 API)
+const LINE_URL = 'https://api.line.me/v2/bot/message/reply'
+const TOKEN = ''
+
+// 한국영화진흥위원회 API 요청 URL(일별 박스오피스)
+const BOXOFFICE_URL = 'http://www.kobis.or.kr/kobisopenapi/webservice/rest/boxoffice/searchDailyBoxOfficeList.json'
+// 한국영화진흥위원회 API 발급 받은 키
+const KOFIC_KEY = ''
+
+
+// ================== SETTINGS ==================
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+const domain = "" 
+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];
+
+    // (디버깅용) req.body 내용 콘솔로 확인
+    console.log('======================', new Date() ,'======================');
+    console.log('[request]', req.body);
+    console.log('[request source] ', eventObj.source);
+    console.log('[request message]', eventObj.message);
+
+    showYesterdayRank(eventObj.replyToken, eventObj.message.text);
+    res.sendStatus(200);
+});
+
+// 해당 날짜 영화 순위 출력 함수
+// 입력 인자 중 message 에는 어제 날짜 들어감(ex: 20220528)
+function showYesterdayRank(replyToken, message) {
+
+    // 한국영화진흥위원회 API는 get 형태로 호출
+    request.get(
+        {
+            url: BOXOFFICE_URL+`?key=${KOFIC_KEY}&targetDt=${message}`,
+            json:true
+        },(error, response, body) => {
+            if(!error && response.statusCode == 200) {
+                console.log(body.boxOfficeResult);
+                
+                var transMessage_1 = body.boxOfficeResult.dailyBoxOfficeList[0].movieNm;
+                var transMessage_2 = body.boxOfficeResult.dailyBoxOfficeList[1].movieNm;
+                var transMessage_3 = body.boxOfficeResult.dailyBoxOfficeList[2].movieNm;
+                var transMessage_4 = body.boxOfficeResult.dailyBoxOfficeList[3].movieNm;
+
+                request.post(
+                    {
+                        url: LINE_URL,
+                        headers: {
+                            'Authorization': `Bearer ${TOKEN}`
+                        },
+                        json: {
+                            "replyToken":replyToken,
+                            "messages":[
+                                {
+                                    "type":"text",
+                                    "text": `1위 : ${transMessage_1}\n2위 : ${transMessage_2}\n3위 : ${transMessage_3}\n4위 : ${transMessage_4}`
+                                }
+                            ]
+                        }
+                    },(error, response, body) => {
+                        console.log(body)
+                    });
+            }
+        });
+}
+
+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);
+  }
+  
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