diff --git a/README.md b/README.md
index b5fb986..8a93b57 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,12 @@ Quizify is a music quiz that uses your Spotify playlists. Guess the artist, titl
 - Login with Spotify
 - Select your own playlists
 - Multiple game modes: Guess artist, title, or year
+- Adjustable play duration and random start position for each song
 - Spotify Web Playback (play songs directly in the browser)
 - No song repeats until all have been played
 - Smart search and answer evaluation (ignores bracket additions, apostrophes, etc.)
 - Multilingual: All texts are loaded from language files, language is set via `.env`
+- Dockerfile included – ready for deployment with [Coolify](https://coolify.io/) or any Docker-compatible platform
 
 ## Requirements
 
@@ -46,6 +48,21 @@ Quizify is a music quiz that uses your Spotify playlists. Guess the artist, titl
 4. **Open in your browser**
     - [http://localhost:5000](http://localhost:5000)
 
+## Docker / Coolify
+
+Quizify comes with a ready-to-use `Dockerfile`.  
+You can deploy it on [Coolify](https://coolify.io/) or any Docker-compatible platform.
+
+**Build and run locally:**
+```sh
+docker build -t quizify .
+docker run --env-file .env -p 5000:5000 quizify
+```
+
+**Coolify:**  
+Just connect your repository, set your environment variables in Coolify, and deploy.  
+The app will be available on port 5000 by default.
+
 ## .env Example
 
 See `.env.example` for the required variables.
@@ -55,6 +72,7 @@ See `.env.example` for the required variables.
 - The app requires a Spotify Premium account for the Web Playback feature.
 - The Spotify Redirect URI must exactly match `SPOTIPY_REDIRECT_URI` in the Spotify Developer Console.
 - All texts are loaded from language files in the `locales` folder. Set the language via the `LANG` variable in your `.env` (e.g., `LANG=en-EN` or `LANG=de-DE`).
+- You can set the play duration and start position for each song in the quiz interface.
 
 ## License