use production-quality WSGI server

README.md

@@ -51,3 +51,9 @@ npm install parcel-bundler
 ```bash
 npm run-script build
 ```
+
+## Use a production-quality WSGI server
+
+```bash
+pip install waitress
+```

server.py

 import flask
+import waitress
 from device import Device
 
 device = Device()
@@ -38,4 +39,4 @@ def resistance():
 
 
 if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=8000)
+    waitress.serve(app, host='0.0.0.0', port=8000)