Dockerfile

FROM ubuntu

RUN apt-get update && apt-get install -y software-properties-common

# Install Ruby 2.4
RUN apt-add-repository ppa:brightbox/ruby-ng && apt-get update
RUN apt-get install -y ruby2.4 ruby2.4-dev build-essential zlib1g-dev liblzma-dev tzdata
RUN gem install bundler rake

# Install iruby
RUN apt-get install -y git libzmq-dev autoconf pkg-config libtool libffi-dev
RUN cd /opt && \
  git clone https://github.com/zeromq/czmq && \
  cd czmq && \
  ./autogen.sh && ./configure && make && make install
RUN gem install iruby

# Install jupyter
RUN apt-get install -y python3-pip && pip3 install jupyter

# Install other necessary dependencies
RUN apt-get install -y wget unzip

# Become an unprivileged user
RUN useradd -m -d /home/jupyter -s /bin/bash jupyter
ADD notebooks /home/jupyter/notebooks
RUN chown --recursive jupyter /home/jupyter/notebooks
USER jupyter
WORKDIR /home/jupyter/notebooks

# Configure jupyter
RUN jupyter notebook --generate-config
RUN echo "c.NotebookApp.ip = '*'" >> ~/.jupyter/jupyter_notebook_config.py

# Install Ruby dependencies
RUN bundle install --path=vendor

RUN bundle exec iruby register --force && \
  jupyter kernelspec install --user ~/.ipython/kernels/ruby

COPY start.sh /home/jupyter/start.sh
USER root
RUN chown jupyter /home/jupyter/start.sh
RUN chmod u+x /home/jupyter/start.sh
USER jupyter

CMD "/home/jupyter/start.sh"