test start

+var express = require('express');
+const bodyParser = require('body-parser');
+var app = express();
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+const domain = "2019102226.osschatbot2022.ml"
+const sslport = 23023;
+
+app.use(bodyParser.json());
+
+app.post('/hook', function (request, response) {
+
+    var eventObj = request.body.events[0];
+
+    // request log
+    console.log('======================', new Date(), '======================');
+
+    response.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);
+}
+