Update Dockerfile

Dockerfile

@@ -1,17 +1,19 @@
-FROM jupyter/base-notebook:python-3.9
+FROM jupyter/minimal-notebook:python-3.9
 
-# Install additional Python packages
-RUN pip install numpy pandas matplotlib seaborn scikit-learn transformers torch
+# Install additional packages
+RUN pip install gradio
 
-# Make port 8888 available for Jupyter
-EXPOSE 8888
+# Create a very simple Python script to relay Jupyter through Gradio on port 7860
+RUN echo "import gradio as gr; import os; os.system('jupyter notebook --ip=0.0.0.0 --port=8888 --no-browser --NotebookApp.token=\\\"\\\" --NotebookApp.password=\\\"\\\" &'); demo = gr.Interface(fn=lambda: None, inputs=[], outputs=gr.HTML('<iframe src=\"/proxy/8888/tree\" width=\"100%\" height=\"800px\"></iframe>'), title=\"Jupyter Notebook\"); demo.launch(server_port=7860)" > /home/jovyan/relay.py
 
-# Set the working directory
-WORKDIR /home/jovyan/work
+# Copy notebook
+COPY welcome.ipynb /home/jovyan/
 
-# Copy our sample notebook
-COPY welcome.ipynb /home/jovyan/work/
+# Use the non-root jovyan user (comes with the Jupyter image)
+USER jovyan
 
-# Set our entrypoint to start Jupyter without requiring a token
-# and using the base URL required by Hugging Face Spaces
-ENTRYPOINT ["jupyter", "notebook", "--ip=0.0.0.0", "--port=8888", "--no-browser", "--NotebookApp.token=''", "--NotebookApp.password=''", "--NotebookApp.allow_origin='*'", "--NotebookApp.base_url='/proxy/8888/'"]
+# Expose port 7860 (required by Hugging Face Spaces)
+EXPOSE 7860
+
+# Run the relay script
+CMD ["python", "/home/jovyan/relay.py"]