diff --git a/Dockerfile b/Dockerfile
index 7be2e835..cc9558e0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,8 +12,7 @@ RUN npm pack stackedit@$V4_VERSION \
 
 WORKDIR /opt/stackedit
 
-COPY package.json /opt/stackedit/
-COPY package-lock.lock /opt/stackedit/
+COPY package*json /opt/stackedit/
 COPY gulpfile.js /opt/stackedit/
 RUN npm install \
   && npm cache clean --force
diff --git a/index.js b/index.js
index f549108e..7404ec99 100644
--- a/index.js
+++ b/index.js
@@ -7,28 +7,13 @@ Object.keys(env).forEach((key) => {
 });
 
 const http = require('http');
-const https = require('https');
-const path = require('path');
 const express = require('express');
-const fs = require('fs');
 
 const app = express();
 
 require('./server')(app, process.env.SERVE_V4);
 
-let port = parseInt(process.env.PORT || 8080, 10);
-if (port === 443) {
-  const credentials = {
-    key: fs.readFileSync(path.join(__dirname, 'ssl.key'), 'utf8'),
-    cert: fs.readFileSync(path.join(__dirname, 'ssl.crt'), 'utf8'),
-    ca: fs.readFileSync(path.join(__dirname, 'ssl.ca'), 'utf8').split('\n\n'),
-  };
-  const httpsServer = https.createServer(credentials, app);
-  httpsServer.listen(port, null, () => {
-    console.log('HTTPS server started: https://localhost');
-  });
-  port = 80;
-}
+const port = parseInt(process.env.PORT || 8080, 10);
 const httpServer = http.createServer(app);
 httpServer.listen(port, null, () => {
   console.log(`HTTP server started: http://localhost:${port}`);