# Multi-stage Dockerfile for KGraph-MCP Development

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

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV PIP_NO_CACHE_DIR=1
ENV PIP_DISABLE_PIP_VERSION_CHECK=1

# Install system dependencies
RUN apt-get update && apt-get install -y \
    curl \
    git \
    build-essential \
    postgresql-client \
    redis-tools \
    && rm -rf /var/lib/apt/lists/*

# Install uv for fast dependency management
RUN pip install uv

# Set working directory
WORKDIR /app

# Copy dependency files
COPY pyproject.toml uv.lock* requirements*.txt ./

# Development stage
FROM base as development

# Install development dependencies
RUN uv venv .venv && \
    uv pip install -r requirements-dev.txt

# Install debugging tools
RUN uv pip install \
    debugpy \
    ipython \
    jupyter \
    notebook

# Copy source code
COPY . .

# Create necessary directories
RUN mkdir -p data logs

# Expose ports
EXPOSE 7860 8000 5678

# Development command with hot reload
CMD ["uv", "run", "python", "app.py", "--reload"]

# Jupyter stage for data exploration
FROM development as jupyter

# Install additional data science packages
RUN uv pip install \
    matplotlib \
    seaborn \
    plotly \
    pandas \
    numpy \
    scikit-learn

# Switch to non-root user for Jupyter
RUN useradd -m -s /bin/bash jovyan && \
    chown -R jovyan:jovyan /app

USER jovyan

# Jupyter configuration
RUN mkdir -p /home/jovyan/.jupyter
COPY deployment/dev/jupyter_config.py /home/jovyan/.jupyter/

EXPOSE 8888

CMD ["uv", "run", "jupyter", "lab", "--ip=0.0.0.0", "--port=8888", "--no-browser", "--allow-root"]

# Production stage (for staging environment)
FROM base as production

# Install only production dependencies
RUN uv venv .venv && \
    uv pip install -r requirements.txt

# Copy source code
COPY . .

# Create non-root user
RUN useradd -m -s /bin/bash kgraph && \
    chown -R kgraph:kgraph /app

USER kgraph

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

EXPOSE 7860

CMD ["uv", "run", "python", "app.py"]