FROM nvidia/cuda:12.1.0-runtime-ubuntu22.04

# Prevent interactive prompts
ENV DEBIAN_FRONTEND=noninteractive

# Install system dependencies
RUN apt-get update && apt-get install -y \
    python3.11 \
    python3.11-pip \
    python3.11-venv \
    ffmpeg \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Set Python 3.11 as default
RUN update-alternatives --install /usr/bin/python python /usr/bin/python3.11 1
RUN update-alternatives --install /usr/bin/pip pip /usr/bin/pip3 1

# Set working directory
WORKDIR /app

# Copy requirements first for better caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Create necessary directories
RUN mkdir -p /app/models /app/data /app/uploads

# Copy application code
COPY src/ ./src/

# Set environment variables
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Run the application
CMD ["uvicorn", "src.main:app", "--host", "0.0.0.0", "--port", "8000"]