Update Dockerfile to be non-root

containers/python-3-jupyter-pyspark/.devcontainer/Dockerfile

@@ -7,18 +7,25 @@ FROM jupyter/pyspark-notebook
 
 USER root
 
-RUN pip install pylint
+# Install git
+RUN apt-get update && apt-get -y install git
+
+# Clean up
+RUN apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
 
 # Copy jupyter_notebook_config.py with token that matches settings
 COPY jupyter_notebook_config.py /home/jovyan/.jupyter/jupyter_notebook_config.py
 
 # Copy default endpoint specific user settings overrides into container to specify Python path, token
 COPY settings.vscode.json /home/jovyan/.vscode-remote/data/User/settings.json
 
-# Install git
-RUN apt-get update && apt-get -y install git
+RUN chown jovyan -R /home/jovyan
+
+USER jovyan
+
+RUN pip install pylint
+
+
 
-# Clean up
-RUN apt-get autoremove -y \
-    && apt-get clean -y \
-    && rm -rf /var/lib/apt/lists/*