new file: .gitignore

new file:   Dockerfile
	new file:   app.py
	new file:   requirements.txt
	new file:   start.bat
	new file:   templates/login.html
	new file:   templates/playlists.html
	new file:   templates/quiz.html

Dockerfile

@@ -0,0 +1,18 @@
+# --- Stage 1: Dependencies installieren ---
+    FROM python:3.10-slim AS base
+
+    WORKDIR /app
+    COPY requirements.txt .
+    RUN pip install --no-cache-dir -r requirements.txt
+    
+    # --- Stage 2: Code kopieren & starten ---
+    FROM base AS run
+    WORKDIR /app
+    COPY . /app
+    
+    # Port, den Coolify erwartet
+    EXPOSE 5000
+    
+    # Starten mit Gunicorn für Production
+    CMD ["gunicorn", "--bind", "0.0.0.0:5000", "app:app"]
+