# Multi-stage build for Calculator MCP Server
FROM python:3.11-slim AS builder
# Set build arguments
ARG VERSION=1.1.0
ARG BUILD_DATE
ARG VCS_REF
# Set labels
LABEL maintainer="Calculator MCP Team <admin@tengmmvp.cn>" \
org.label-schema.build-date=$BUILD_DATE \
org.label-schema.name="calculator-mcp-server" \
org.label-schema.description="A complete Model Context Protocol (MCP) compliant mathematical calculation server" \
org.label-schema.url="https://github.com/tengmmvp/Calculator_MCP" \
org.label-schema.vcs-ref=$VCS_REF \
org.label-schema.vcs-url="https://github.com/tengmmvp/Calculator_MCP.git" \
org.label-schema.vendor="Calculator MCP Team" \
org.label-schema.version=$VERSION \
org.label-schema.schema-version="1.0"
# Set environment variables
ENV PYTHONUNBUFFERED=1 \
PYTHONDONTWRITEBYTECODE=1 \
PIP_NO_CACHE_DIR=1 \
PIP_DISABLE_PIP_VERSION_CHECK=1
# Create app user
RUN addgroup --system app && adduser --system --group app
# Install system dependencies
RUN apt-get update && apt-get install -y \
gcc \
g++ \
make \
python3-dev \
&& rm -rf /var/lib/apt/lists/*
# Set work directory
WORKDIR /app
# Install Python dependencies and build tools
RUN pip install --upgrade pip && \
pip install "fastmcp>=2.13.0" "pydantic>=2.11.7" hatchling wheel setuptools
# Copy application files
COPY calculator_mcp/ ./calculator_mcp/
COPY pyproject.toml ./
COPY README.md ./
COPY LICENSE ./
# Create a simple setup.py for Docker build
RUN echo "from setuptools import setup, find_packages" > setup.py && \
echo "setup(" >> setup.py && \
echo " name='calculator-mcp-server'," >> setup.py && \
echo " version='1.1.0'," >> setup.py && \
echo " packages=find_packages()," >> setup.py && \
echo " install_requires=['fastmcp>=2.13.0', 'pydantic>=2.11.7']," >> setup.py && \
echo " entry_points={'console_scripts': ['calculator-mcp-server=calculator_mcp.server:cli_main']}," >> setup.py && \
echo ")" >> setup.py
# Install the package
RUN pip install -e .
# Production stage
FROM python:3.11-slim AS production
# Set environment variables
ENV PYTHONUNBUFFERED=1 \
PYTHONDONTWRITEBYTECODE=1 \
PATH="/home/app/.local/bin:$PATH"
# Create app user
RUN addgroup --system app && adduser --system --group app
# Install runtime dependencies only
RUN apt-get update && apt-get install -y \
&& rm -rf /var/lib/apt/lists/*
# Copy installed packages from builder stage
COPY --from=builder /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin
# Copy application code
COPY --from=builder /app /app
# Set work directory
WORKDIR /app
# Change ownership to app user
RUN chown -R app:app /app
# Switch to app user
USER app
# Expose port (if server runs on HTTP)
EXPOSE 8080
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
CMD python -c "import sys; sys.exit(0)" || exit 1
# Default command
CMD ["calculator-mcp-server"]
