Dockerfile

# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.

# Ubuntu 20.04 (focal)
# https://hub.docker.com/_/ubuntu/?tab=tags&name=focal
# OS/ARCH: linux/amd64
ARG ROOT_CONTAINER=ubuntu:focal-20200916@sha256:028d7303257c7f36c721b40099bf5004a41f666a54c0896d5f229f1c0fd99993

ARG BASE_CONTAINER=$ROOT_CONTAINER
FROM $BASE_CONTAINER

LABEL maintainer="Jupyter Project <jupyter@googlegroups.com>"
ARG NB_USER="jovyan"
ARG NB_UID="1000"
ARG NB_GID="100"

# Fix DL4006
SHELL ["/bin/bash", "-o", "pipefail", "-c"]

USER root

# Miniconda installation
# Default values can be overridden at build time
# (ARGS are in lower case to distinguish them from ENV)
# Check https://repo.anaconda.com/miniconda/
# Miniconda archive to install
ARG miniconda_version="4.8.3"
# Archive MD5 checksum
ARG miniconda_checksum="d63adf39f2c220950a063e0529d4ff74"
# Conda version that can be different from the archive
ARG conda_version="4.8.5"

# Install all OS dependencies for notebook server that starts but lacks all
# features (e.g., download as all possible file formats)
ENV DEBIAN_FRONTEND noninteractive
RUN apt-get update \
 && apt-get install -yq --no-install-recommends \
    wget \
    bzip2 \
    ca-certificates \
    sudo \
    locales \
    fonts-liberation \
    run-one \
 && apt-get clean && rm -rf /var/lib/apt/lists/*

RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && \
    locale-gen

# Configure environment
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
# hadolint ignore=SC2016
RUN sed -i 's/^#force_color_prompt=yes/force_color_prompt=yes/' /etc/skel/.bashrc && \
   # Add call to conda init script see https://stackoverflow.com/a/58081608/4413446
   echo 'eval "$(command conda shell.bash hook 2> /dev/null)"' >> /etc/skel/.bashrc 

# Create NB_USER with 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 $NB_USER:$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 work directory for backward-compatibility
RUN mkdir /home/$NB_USER/work && \
    fix-permissions /home/$NB_USER

# Install conda as jovyan and check the md5 sum provided on the download site
ENV MINICONDA_VERSION="${miniconda_version}" \
    CONDA_VERSION="${conda_version}"

WORKDIR /tmp
RUN wget --quiet https://repo.continuum.io/miniconda/Miniconda3-py38_${MINICONDA_VERSION}-Linux-x86_64.sh && \
    echo "${miniconda_checksum} *Miniconda3-py38_${MINICONDA_VERSION}-Linux-x86_64.sh" | md5sum -c - && \
    /bin/bash Miniconda3-py38_${MINICONDA_VERSION}-Linux-x86_64.sh -f -b -p $CONDA_DIR && \
    rm Miniconda3-py38_${MINICONDA_VERSION}-Linux-x86_64.sh && \
    # Conda configuration see https://conda.io/projects/conda/en/latest/configuration.html
    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_VERSION}" && \
    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=6.1.4' \
    'jupyterhub=1.1.0' \
    'jupyterlab=2.2.8' && \
    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

# Configure container startup
ENTRYPOINT ["tini", "-g", "--"]
CMD ["start-notebook.sh"]

# 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

WORKDIR $HOME