anchor.diff:  FROM r-base
  -
   MAINTAINER "The pbdR Core Team" RBigData@gmail.com
   
   RUN apt-get update \
  
positive.code:     libzmq3-dev \
      littler \
      ssh \
      r-cran-curl
  
  
  # some dependencies
  RUN r -e 'install.packages(c("rlecuyer", "remotes"), repos="https://cran.rstudio.com/", dependencies="Imports")'
  
  
  # install latest pbdR packages from github
  RUN r -e "                                      \
    remotes::install_github('RBigData/pbdMPI')  ; \
    remotes::install_github('RBigData/pbdSLAP') ; \
    remotes::install_github('RBigData/pbdBASE') ; \
    remotes::install_github('RBigData/pbdDMAT') ; \
    remotes::install_github('RBigData/pbdML')     \
  "
  
  
  # create an R user
  
negative.code: WORKDIR $HOME
  USER user
  
  RUN mkdir /home/user/R
  RUN mkdir /home/user/R/prof
  
  
  
  # build profiler versions of pbdMPI and pbdDMAT
  # TODO
  
  
  
  # some quality of life stuff
  RUN echo "alias R='R --no-save --quiet'" >> /home/user/.bashrc
  RUN echo "options(repos=structure(c(CRAN='https://cran.rstudio.com/''))) ; \
    utils::rc.settings(ipck=TRUE); \
    " > /home/user/.Rprofile
  
  RUN cd /tmp &&
    wget https://github.com/jalvesaq/colorout/archive/master.zip &&
    unzip master.zip &&
    R CMD INSTALL colorout-master/
  
  
  
  # default command
  