FROM nvidia/cuda:11.8.0-runtime-ubuntu22.04

# Add non-root user
RUN useradd -m -u 1000 user
WORKDIR /home/user/app

# Install dependencies
RUN apt-get update && apt-get install -y \
    python3 \
    python3-pip \
    && rm -rf /var/lib/apt/lists/*

# Install accelerate for better GPU performance
RUN pip3 install --no-cache-dir accelerate

# Copy requirements first for better caching
COPY --chown=user:user requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

# Copy application code
COPY --chown=user:user . .

# Switch to non-root user
USER user

# Set environment variables for GPU
ENV NVIDIA_VISIBLE_DEVICES all
ENV NVIDIA_DRIVER_CAPABILITIES compute,utility

# Expose port
EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]