anchor.diff:  RUN apt-get install -y \
       bash \
       bash-completion \
  -    curl \
       docker \
       dos2unix \
       git \
  -    gnupg2 \
       jq \
       openjdk-8-jdk \
       python \
  
positive.code: 
  WORKDIR ${home}
  
  # Ruby/rails installation
  RUN \curl -sSL https://rvm.io/pkuczynski.asc | gpg --import -
  RUN \curl -sSL https://get.rvm.io | bash -s stable --rails
  RUN /bin/bash -c "source /usr/local/rvm/scripts/rvm"
  RUN touch ${home}/.bashrc
  RUN echo "source /usr/local/rvm/scripts/rvm" >> ${home}/.bashrc
  RUN /bin/bash -l -c "rvm install 2.4.2"
  RUN /bin/bash -l -c "rvm install jruby-1.7.25"
  RUN /bin/bash -l -c "rvm install jruby-9.1.14.0"
  RUN /bin/bash -l -c "rvm use 2.6.0"
  
  # AWS CLI installation
  RUN /bin/bash -c "pip3 install awscli"
  
  
negative.code: # Add user
  RUN useradd -ms /bin/bash -u ${uid} ${user}
  
  RUN apt-get update
  RUN apt-get install -y --no-install-recommends \
      apt-utils \
      curl \
      gnupg2 \
      software-properties-common
  
  # Ruby/rails installation
  RUN \curl -sSL https://rvm.io/pkuczynski.asc | gpg --import -
  RUN \curl -sSL https://get.rvm.io | bash -s stable --rails
  RUN /bin/bash -c "source /usr/local/rvm/scripts/rvm"
  RUN touch ${home}/.bashrc
  RUN echo "source /usr/local/rvm/scripts/rvm" >> ${home}/.bashrc
  RUN /bin/bash -l -c "rvm install 2.4.2"
  RUN /bin/bash -l -c "rvm install jruby-1.7.25"
  RUN /bin/bash -l -c "rvm install jruby-9.1.14.0"
  RUN /bin/bash -l -c "rvm use 2.6.0"
  
  # Add repositories
  RUN apt-get update && apt-get install -y software-properties-common
  