FOCUS MCP Server

# Multi-stage build for FOCUS MCP Server # Stage 1: Build environment with dependencies # Use official uv image with Python pre-installed FROM ghcr.io/astral-sh/uv:python3.11-bookworm-slim AS builder # Set working directory WORKDIR /app # Copy dependency files first for better caching COPY pyproject.toml uv.lock ./ # Install dependencies in a virtual environment # This creates a clean, isolated Python environment RUN uv sync --frozen --no-dev # Stage 2: Runtime environment # Use minimal Python image for runtime FROM python:3.11-slim-bookworm # Install runtime dependencies for DuckDB # These are required for DuckDB's C++ components RUN apt-get update && \ apt-get install -y --no-install-recommends \ ca-certificates \ && rm -rf /var/lib/apt/lists/* # Set working directory WORKDIR /app # Copy the virtual environment from builder COPY --from=builder /app/.venv /app/.venv # Copy application source code COPY *.py ./ COPY LICENSE ./ COPY resources/ ./resources/ # Set environment variables ENV PATH="/app/.venv/bin:$PATH" \ PYTHONUNBUFFERED=1 \ FOCUS_DATA_LOCATION="/data" \ FOCUS_VERSION="1.0" # Create data directory for mounting RUN mkdir -p /data # Health check (optional - can be used by orchestrators) # This verifies the server can start and respond HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \ CMD python -c "import focus_mcp_server; print('OK')" || exit 1 # Expose stdio for MCP communication # MCP servers typically communicate via stdio, not HTTP ports # Run as non-root user for security RUN useradd -m -u 1000 mcp && \ chown -R mcp:mcp /app /data USER mcp # Set the entry point to the MCP server # Users can override environment variables at runtime ENTRYPOINT ["python", "focus_mcp_server.py"]