update dockerfile

Author: vicentebolea

Dockerfile

@@ -26,11 +26,6 @@ COPY . .
 RUN pip install --upgrade pip && \
     pip install --verbose .
 
-# Create non-root user for security
-#RUN useradd --create-home --shell /bin/bash --uid 1000 vtk-user && \
-#    chown -R vtk-user:vtk-user /app
-#USER vtk-user
-
 EXPOSE 8000
 
 CMD ["vtk-mcp-server", "--transport", "http", "--host", "0.0.0.0", "--port", "8000"]