# --- 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
    
    ENV FLASK_ENV=$FLASK_ENV
    ENV SECRET_KEY=$SECRET_KEY
    ENV SPOTIPY_CLIENT_ID=$SPOTIPY_CLIENT_ID
    ENV SPOTIPY_CLIENT_SECRET=$SPOTIPY_CLIENT_SECRET
    ENV SPOTIPY_REDIRECT_URI=$SPOTIPY_REDIRECT_URI

    # Starten mit Gunicorn für Production
    CMD ["gunicorn", "--bind", "0.0.0.0:5000", "app:app"]