Update app.py

app.py

@@ -8,13 +8,11 @@ print("HI")
 
 def start_https():
     https_port = int(os.getenv("HTTPS_PORT", "8443"))
+    # create ssl context
+    context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
+    context.load_cert_chain("cert.pem", "key.pem")
     httpd = HTTPServer(("0.0.0.0", https_port), SimpleHTTPRequestHandler)
-    httpd.socket = ssl.wrap_socket(
-        httpd.socket,
-        certfile="cert.pem",
-        keyfile="key.pem",
-        server_side=True
-    )
+    httpd.socket = context.wrap_socket(httpd.socket, server_side=True)
     print(f"https listening on 0.0.0.0:{https_port}")
     httpd.serve_forever()
 
@@ -32,7 +30,6 @@ sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 sock.bind(("0.0.0.0", port))
 sock.listen()
 print(f"listening on 0.0.0.0:{port}")
-
 while True:
     conn, addr = sock.accept()
     print("connection from", addr)