FROM dorowu/ubuntu-desktop-lxde-vnc:focal

COPY requirements.txt .

RUN apt-get update -qq && \
    # Install Python.
    apt-get install -y \
      python3 \
      python3-pip && \
    # Install Python packages.
    pip3 install -r requirements.txt && \
    rm -f requirements.txt && \
    # Install R.
    apt-get install -y \
      r-base && \
    Rscript -e "install.packages(c('littler', 'docopt'))" && \
    cd /usr/local/bin && \
    ln -s ../lib/R/site-library/littler/examples/install2.r && \
    ln -s ../lib/R/site-library/littler/bin/r && \
    # Install R packages.
    install2.r -e \
      dplyr \
      ggplot2