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# Multi-stage build for Cloud Run optimization FROM python:3.11-slim as builder # Set working directory WORKDIR /app # Install build dependencies RUN apt-get update && apt-get install -y \ build-essential \ && rm -rf /var/lib/apt/lists/* # Copy requirements and install Python dependencies COPY requirements.txt . RUN pip install --user --no-cache-dir -r requirements.txt # Production stage FROM python:3.11-slim # Install only runtime dependencies RUN apt-get update && apt-get install -y \ curl \ && rm -rf /var/lib/apt/lists/* \ && apt-get clean # Create non-root user for security RUN groupadd -r appuser && useradd -r -g appuser appuser # Set working directory WORKDIR /app # Copy installed dependencies from builder stage COPY --from=builder /root/.local /home/appuser/.local # Copy source code COPY src/ ./src/ COPY main.py . COPY simple_test_server.py . COPY minimal_mcp_test.py . COPY import_test.py . COPY mcp_server_fixed.py . COPY mcp_compatible_server.py . # Set environment variables optimized for Cloud Run ENV PYTHONUNBUFFERED=1 \ PYTHONDONTWRITEBYTECODE=1 \ MCP_TRANSPORT=http \ LOG_LEVEL=INFO \ PATH=/home/appuser/.local/bin:$PATH # Change ownership of app directory RUN chown -R appuser:appuser /app # Switch to non-root user USER appuser # Expose port EXPOSE 8080 # Health check with proper headers for MCP endpoint HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \ CMD curl -f -H "Accept: application/json, text/event-stream" http://localhost:8080/health || exit 1 # Run the MCP-compatible server with proper protocol support CMD ["python", "mcp_compatible_server.py"]