# Python Worker for 3D Model Conversion
FROM python:3.12-slim

WORKDIR /app

# Install system dependencies for 3D processing and headless rendering
RUN apt-get update && apt-get install -y --no-install-recommends \
    # OpenGL/OSMesa for headless rendering (pyrender)
    libosmesa6-dev \
    libgl1 \
    libglu1-mesa \
    # Build tools for some Python packages
    build-essential \
    # OpenCASCADE runtime libraries for cascadio (STEP conversion)
    libocct-data-exchange-7.8 \
    libocct-draw-7.8 \
    libocct-foundation-7.8 \
    libocct-modeling-algorithms-7.8 \
    libocct-modeling-data-7.8 \
    libocct-ocaf-7.8 \
    libocct-visualization-7.8 \
    # Cleanup
    && rm -rf /var/lib/apt/lists/*

# Set environment for headless rendering
ENV PYOPENGL_PLATFORM=osmesa

# Install uv for fast package management
RUN pip install --no-cache-dir uv

# Copy project files
COPY pyproject.toml .
COPY src/ src/

# Create __init__.py files if they don't exist
RUN touch src/__init__.py src/processors/__init__.py src/services/__init__.py

# Install dependencies using uv
RUN uv pip install --system -e .

# Create non-root user
RUN groupadd --system --gid 1001 worker && \
    useradd --system --uid 1001 --gid worker worker && \
    mkdir -p /tmp/conversions && \
    chown -R worker:worker /app /tmp/conversions

# Switch to non-root user
USER worker

# Set temp directory
ENV TEMP_DIR=/tmp/conversions

# Run the worker
CMD ["python", "-m", "src.main"]