Dockerfile

# Base stage with common dependencies
FROM python:3.11-slim as base

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    POETRY_NO_INTERACTION=1 \
    POETRY_VENV_IN_PROJECT=1 \
    POETRY_CACHE_DIR=/tmp/poetry_cache

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

# Create app directory
WORKDIR /app

# Copy dependency files
COPY requirements.txt pyproject.toml ./

# Development stage
FROM base as development

# Install development dependencies
RUN pip install --no-cache-dir -r requirements.txt && \
    pip install -e .[dev] 2>/dev/null || pip install pytest pytest-asyncio black isort flake8 mypy pre-commit

# Create non-root user for development
RUN adduser --disabled-password --gecos '' --uid 1000 vscode && \
    chown -R vscode:vscode /app
USER vscode

# Expose port
EXPOSE 8000

# Keep container running for development
CMD ["sleep", "infinity"]

# Production stage  
FROM base as production

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY src/ ./src/

# Create non-root user
RUN adduser --disabled-password --gecos '' appuser && \
    chown -R appuser:appuser /app
USER appuser

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

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