Updating code from current Dockerfile

Updating miniconda version to 4.8.2

base-notebook/Dockerfile.ppc64le

@@ -5,6 +5,9 @@
 FROM ppc64le/ubuntu:18.04
 
 LABEL maintainer="Ilsiyar Gaynutdinov <ilsiyar_gaynutdinov@ru.ibm.com>"
+ARG NB_USER="jovyan"
+ARG NB_UID="1000"
+ARG NB_GID="100"
 
 USER root
 
@@ -13,88 +16,121 @@ USER root
 ENV DEBIAN_FRONTEND noninteractive
 RUN apt-get update \
  && apt-get install -yq --no-install-recommends \
-    build-essential \
+    wget \
     bzip2 \
     ca-certificates \
-    cmake \
-    git \
-    locales \
     sudo \
-    wget \
+    locales \
+    fonts-liberation \
+    run-one \
  && apt-get clean && rm -rf /var/lib/apt/lists/*
 
-RUN echo "LANGUAGE=en_US.UTF-8" >> /etc/default/locale
-RUN echo "LC_ALL=en_US.UTF-8" >> /etc/default/locale
-RUN echo "LC_TYPE=en_US.UTF-8" >> /etc/default/locale
-RUN locale-gen en_US en_US.UTF-8
-
-#build and install Tini for ppc64le
-RUN wget https://github.com/krallin/tini/archive/v0.18.0.tar.gz && \
-    tar zxvf v0.18.0.tar.gz && \
-    rm -rf v0.18.0.tar.gz
-WORKDIR tini-0.18.0/
-RUN cmake . && make install
-RUN mv ./tini /usr/local/bin/tini  && \
-    chmod +x /usr/local/bin/tini
-WORKDIR ..
+RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && \
+    locale-gen
 
 # Configure environment
-ENV CONDA_DIR /opt/conda
-ENV PATH $CONDA_DIR/bin:$PATH
-ENV SHELL /bin/bash
-ENV NB_USER jovyan
-ENV NB_UID 1000
-ENV HOME /home/$NB_USER
-ENV LC_ALL en_US.UTF-8
-ENV LANG en_US.UTF-8
-ENV LANGUAGE en_US.UTF-8
-
-# Create jovyan user with UID=1000 and in the 'users' group
-RUN useradd -m -s /bin/bash -N -u $NB_UID $NB_USER && \
+ENV CONDA_DIR=/opt/conda \
+    SHELL=/bin/bash \
+    NB_USER=$NB_USER \
+    NB_UID=$NB_UID \
+    NB_GID=$NB_GID \
+    LC_ALL=en_US.UTF-8 \
+    LANG=en_US.UTF-8 \
+    LANGUAGE=en_US.UTF-8
+ENV PATH=$CONDA_DIR/bin:$PATH \
+    HOME=/home/$NB_USER
+
+# Copy a script that we will use to correct permissions after running certain commands
+COPY fix-permissions /usr/local/bin/fix-permissions
+RUN chmod a+rx /usr/local/bin/fix-permissions
+
+# Enable prompt color in the skeleton .bashrc before creating the default NB_USER
+RUN sed -i 's/^#force_color_prompt=yes/force_color_prompt=yes/' /etc/skel/.bashrc
+
+# Create NB_USER wtih name jovyan user with UID=1000 and in the 'users' group
+# and make sure these dirs are writable by the `users` group.
+RUN echo "auth requisite pam_deny.so" >> /etc/pam.d/su && \
+    sed -i.bak -e 's/^%admin/#%admin/' /etc/sudoers && \
+    sed -i.bak -e 's/^%sudo/#%sudo/' /etc/sudoers && \
+    useradd -m -s /bin/bash -N -u $NB_UID $NB_USER && \
     mkdir -p $CONDA_DIR && \
-    chown $NB_USER $CONDA_DIR
+    chown $NB_USER:$NB_GID $CONDA_DIR && \
+    chmod g+w /etc/passwd && \
+    fix-permissions $HOME && \
+    fix-permissions $CONDA_DIR
 
 USER $NB_UID
+WORKDIR $HOME
+ARG PYTHON_VERSION=default
 
-# Setup jovyan home directory
+# Setup work directory for backward-compatibility
 RUN mkdir /home/$NB_USER/work && \
-    mkdir /home/$NB_USER/.jupyter && \
-    echo "cacert=/etc/ssl/certs/ca-certificates.crt" > /home/$NB_USER/.curlrc
+    fix-permissions /home/$NB_USER
+
+# Install conda as jovyan and check the md5 sum provided on the download site
+ENV MINICONDA_VERSION=4.8.2 \
+    MINICONDA_MD5=e50662a93f3f5e56ef2d3fdfaf2f8e91 \
+    CONDA_VERSION=4.8.2
 
 # Install conda as jovyan
 RUN cd /tmp && \
-    mkdir -p $CONDA_DIR && \
-    wget https://repo.continuum.io/miniconda/Miniconda3-4.2.12-Linux-ppc64le.sh && \
-    /bin/bash Miniconda3-4.2.12-Linux-ppc64le.sh -f -b -p $CONDA_DIR && \
-    rm -rf Miniconda3-4.2.12-Linux-ppc64le.sh && \
-    $CONDA_DIR/bin/conda install --quiet --yes conda=4.2.12  && \
-    $CONDA_DIR/bin/conda config --system --add channels conda-forge && \
-    $CONDA_DIR/bin/conda config --system --set auto_update_conda false && \
-    conda clean --all -f -y
-
-# Install Jupyter notebook and Hub
-RUN yes | pip install --upgrade pip
-RUN yes | pip install --quiet --no-cache-dir \
-    'notebook==5.2.*' \
-    'jupyterhub==0.7.*' \
-    'jupyterlab==0.18.*'
-
-USER root
+    wget --quiet https://repo.continuum.io/miniconda/Miniconda3-py37_${MINICONDA_VERSION}-Linux-ppc64le.sh && \
+    echo "${MINICONDA_MD5} *Miniconda3-py37_${MINICONDA_VERSION}-Linux-ppc64le.sh" | md5sum -c - && \
+    /bin/bash Miniconda3-py37_${MINICONDA_VERSION}-Linux-ppc64le.sh -f -b -p $CONDA_DIR && \
+    rm -rf Miniconda3-py37_${MINICONDA_VERSION}-Linux-ppc64le.sh && \
+    echo "conda ${CONDA_VERSION}" >> $CONDA_DIR/conda-meta/pinned && \
+    conda config --system --prepend channels conda-forge && \
+    conda config --system --set auto_update_conda false && \
+    conda config --system --set show_channel_urls true && \
+    conda config --system --set channel_priority strict && \
+    if [ ! $PYTHON_VERSION = 'default' ]; then conda install --yes python=$PYTHON_VERSION; fi && \
+    conda list python | grep '^python ' | tr -s ' ' | cut -d '.' -f 1,2 | sed 's/$/.*/' >> $CONDA_DIR/conda-meta/pinned && \
+    conda install --quiet --yes conda && \
+    conda install --quiet --yes pip && \
+    conda update --all --quiet --yes && \
+    conda clean --all -f -y && \
+    rm -rf /home/$NB_USER/.cache/yarn && \
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER
+
+# Install Tini
+RUN conda install --quiet --yes 'tini=0.18.0' && \
+    conda list tini | grep tini | tr -s ' ' | cut -d ' ' -f 1,2 >> $CONDA_DIR/conda-meta/pinned && \
+    conda clean --all -f -y && \
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER
+
+# Install Jupyter Notebook, Lab, and Hub
+# Generate a notebook server config
+# Cleanup temporary files
+# Correct permissions
+# Do all this in a single RUN command to avoid duplicating all of the
+# files across image layers when the permissions change
+RUN conda install --quiet --yes \
+    'notebook=6.0.3' \
+    'jupyterhub=1.1.0' \
+    'jupyterlab=2.1.1' && \
+    conda clean --all -f -y && \
+    npm cache clean --force && \
+    jupyter notebook --generate-config && \
+    rm -rf $CONDA_DIR/share/jupyter/lab/staging && \
+    rm -rf /home/$NB_USER/.cache/yarn && \
+    fix-permissions $CONDA_DIR && \
+    fix-permissions /home/$NB_USER
 
 EXPOSE 8888
-WORKDIR /home/$NB_USER/work
-RUN echo "ALL            ALL = (ALL) NOPASSWD: ALL" >> /etc/sudoers
 
 # Configure container startup
 ENTRYPOINT ["tini", "-g", "--"]
 CMD ["start-notebook.sh"]
 
-# Add local files as late as possible to avoid cache busting
-COPY start.sh /usr/local/bin/
-COPY start-notebook.sh /usr/local/bin/
-COPY start-singleuser.sh /usr/local/bin/
-COPY jupyter_notebook_config.py /home/$NB_USER/.jupyter/
-RUN chown -R $NB_USER:users /home/$NB_USER/.jupyter
+# Copy local files as late as possible to avoid cache busting
+COPY start.sh start-notebook.sh start-singleuser.sh /usr/local/bin/
+COPY jupyter_notebook_config.py /etc/jupyter/
+
+# Fix permissions on /etc/jupyter as root
+USER root
+RUN fix-permissions /etc/jupyter/
 
 # Switch back to jovyan to avoid accidental container runs as root
 USER $NB_UID