Hello World MCP Server

# Build stage FROM ubuntu:24.04 AS builder # Set environment variables ENV DEBIAN_FRONTEND=noninteractive ENV PYTHONUNBUFFERED=1 ENV PYTHONDONTWRITEBYTECODE=1 # Install system dependencies RUN apt-get update && apt-get install -y \ python3 \ python3-pip \ python3-venv \ curl \ build-essential \ && rm -rf /var/lib/apt/lists/* # Install uv for virtual environment RUN curl -LsSf https://astral.sh/uv/install.sh | sh && \ export PATH="/root/.local/bin:$PATH" && \ /root/.local/bin/uv --version ENV PATH="/root/.local/bin:$PATH" # Set working directory WORKDIR /app # Copy dependency files COPY pyproject.toml uv.lock LICENSE README.md ./ COPY mcp_hello/ ./mcp_hello/ # Create virtual environment RUN /root/.local/bin/uv venv .venv && \ /root/.local/bin/uv sync --frozen ENV VIRTUAL_ENV=/app/.venv ENV PATH="/app/.venv/bin:$PATH" # Production stage FROM ubuntu:24.04 AS production # Set environment variables ENV DEBIAN_FRONTEND=noninteractive ENV PYTHONUNBUFFERED=1 ENV PYTHONDONTWRITEBYTECODE=1 ENV VIRTUAL_ENV=/app/.venv ENV PATH="/app/.venv/bin:$PATH" # Install runtime dependencies RUN apt-get update && apt-get install -y \ python3 \ python3-venv \ && rm -rf /var/lib/apt/lists/* \ && apt-get clean # Create non-root user for security RUN useradd --create-home --shell /bin/bash --user-group mcpuser # Set working directory WORKDIR /app # Copy virtual environment from builder stage COPY --from=builder /app/.venv /app/.venv # Copy application code COPY mcp_hello/ ./mcp_hello/ COPY pyproject.toml ./ # Change ownership to non-root user RUN chown -R mcpuser:mcpuser /app # Switch to non-root user USER mcpuser # Expose port EXPOSE 8000 # Health check HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \ CMD python3 -c "import mcp_hello; print('OK')" || exit 1 # Default command CMD ["python3", "-m", "mcp_hello.server"]