# Multi-stage Dockerfile for Harvard Library MCP Server

# Build stage
FROM python:3.11-slim as builder

# Set build environment
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

# Install build dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Create and activate virtual environment
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

# Upgrade pip and install build tools
RUN pip install --upgrade pip setuptools wheel

# Copy project files
COPY pyproject.toml ./

# Install package in development mode
RUN pip install -e .

# Production stage
FROM python:3.11-slim as production

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PATH="/opt/venv/bin:$PATH"

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

# Create non-root user
RUN groupadd -r mcpuser && useradd -r -g mcpuser mcpuser

# Copy virtual environment from builder stage
COPY --from=builder /opt/venv /opt/venv

# Create application directory
WORKDIR /app

# Copy application code
COPY --chown=mcpuser:mcpuser src/ ./src/
COPY --chown=mcpuser:mcpuser .env.example .env

# Create logs directory
RUN mkdir -p /app/logs && chown mcpuser:mcpuser /app/logs

# Switch to non-root user
USER mcpuser

# Expose ports
EXPOSE 8000

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

# Default command (HTTP server)
CMD ["python", "-m", "harvard_library_mcp.http_server"]

# Labels
LABEL maintainer="Harvard Library MCP Team" \
      version="0.1.1" \
      description="Harvard Library MCP Server" \
      org.opencontainers.image.title="Harvard Library MCP Server" \
      org.opencontainers.image.description="MCP server for Harvard University Library catalog API" \
      org.opencontainers.image.version="0.1.1" \
      org.opencontainers.image.vendor="Harvard Library"
