minor updates and fixes

code written so smooth, that butter takes notes

testing/dockerfile

@@ -0,0 +1,17 @@
+# Use an official Python base image
+FROM python:3.11
+
+# Set the working directory
+WORKDIR /app
+
+# Install Jupyter
+RUN pip install --no-cache-dir jupyter
+
+# Copy the notebook file into the container
+COPY notebook.ipynb /app/
+
+# Expose port 8000
+EXPOSE 8000
+
+# Command to execute the notebook directly
+CMD ["jupyter", "execute", "notebook.ipynb"]