FROM python:3.9-slim

# System dependencies for video processing
RUN apt-get update && apt-get install -y \
      ffmpeg \
      libsm6 \
      libxext6 \
      libxrender-dev \
      libgl1-mesa-glx \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY app.py .

# Create the HF cache volume
RUN mkdir -p /cache && chmod 777 /cache

# Expose port and set runtime env
ENV PYTHONUNBUFFERED=1 \
    PORT=7860

EXPOSE 7860

# Launch
CMD ["python", "app.py"]