FROM python:3.9-slim
# install the notebook package
RUN pip install --no-cache --upgrade pip && \
    pip install --no-cache notebook jupyterlab

# create user with a home directory
ARG NB_USER
ARG NB_UID
ENV USER user
ENV HOME /home/${USER}
RUN mkdir $HOME && mkdir $HOME/app
RUN adduser --disabled-password --gecos '' --shell /bin/bash user \
 && chown -R user:user $HOME/app
RUN echo "user ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/90-user
USER user

WORKDIR ${HOME}
USER root