Update Dockerfile

Dockerfile

@@ -28,22 +28,27 @@ COPY . /app
 # Python deps (from requirements.txt)
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Notebook execution deps (nbclient needed under the hood too)
-RUN pip install --no-cache-dir notebook nbclient nbformat jupyter_client ipykernel papermill
-
-# Pre-install packages notebooks might pip install
+# Notebook execution deps (papermill + jupyter stack)
+RUN pip install --no-cache-dir \
+    notebook \
+    papermill \
+    ipykernel \
+    nbclient \
+    nbformat \
+    jupyter_client
+
+# Pre-install packages notebooks might install at runtime
 RUN pip install --no-cache-dir textblob faker transformers
 
-# ✅ Register Python kernel INSIDE the environment Jupyter uses (NOT --user)
+# ✅ Register Python kernel in the environment Jupyter uses
 RUN python -m ipykernel install --sys-prefix --name python3 --display-name "Python 3"
 
-# ✅ Install and register IRkernel with an explicit name "ir"
+# ✅ R deps for notebook execution via papermill (IRkernel) with explicit name "ir"
 RUN R -e "install.packages('IRkernel', repos='https://cloud.r-project.org/')"
 RUN R -e "IRkernel::installspec(name='ir', displayname='R (IRkernel)', user=FALSE)"
 
-# Optional but VERY useful: print kernels available during build
+# (Optional but useful) show installed kernels during build
 RUN jupyter kernelspec list
 
 EXPOSE 7860
-
 CMD ["python", "app.py"]