content: FROM cluster-base
  
  # -- Layer: JupyterLab
  
  ARG spark_version=3.3.1
  ARG jupyterlab_version=3.6.1
  
  RUN apt-get update -y && \
      apt-get install -y python3-pip && \
      pip3 install wget pyspark==${spark_version} jupyterlab==${jupyterlab_version}
  
  # -- Runtime
  
  EXPOSE 8888
  WORKDIR ${SHARED_WORKSPACE}
  CMD jupyter lab --ip=0.0.0.0 --port=8888 --no-browser --allow-root --NotebookApp.token=