FROM python:3.12-slim

# System deps: pdfplumber, ffmpeg for video audio extraction, build tools
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        build-essential \
        curl \
        ffmpeg \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install PyTorch (CPU-only for Docker build - will use GPU at runtime if available)
RUN pip install --no-cache-dir \
    torch torchvision torchaudio \
    --index-url https://download.pytorch.org/whl/cpu

# Install remaining Python dependencies
COPY app/requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY app/ .

EXPOSE 8899

VOLUME ["/app/data", "/app/logs"]

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8899", "--log-level", "info"]