Dockerfile

# 1. Base Image
FROM python:3.10-slim

# 2. Install System Dependencies (FFMPEG is crucial here)
RUN apt-get update && \
    apt-get install -y ffmpeg && \
    rm -rf /var/lib/apt/lists/*

# 3. Setup App
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY . .

# 4. Permissions
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

# 5. Run Streamlit (Port 7860 for Hugging Face)
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0", "--server.enableCORS=false", "--server.enableXsrfProtection=false"]