anchor.diff:  RUN groupadd -r mongodb && useradd -r -g mongodb mongodb
   
    RUN apt-get update \
  - 	&& apt-get install -y --no-install-recommends \
  + 	&& apt-get install -y \
  +  ## --no-install-recommends \
     sysfsutils \
   ##    		numactl \
     && apt-get autoremove && apt-get clean \
  
positive.code: 
  # RedHat Warning: Transparent hugepages looks to be active and should not be.
  # Please look at http://bit.ly/1ZAcLjD as for how to PERMANENTLY alter this setting.
  ##RUN echo 'always madvise [never]' > /sys/kernel/mm/transparent_hugepage/enabled
  RUN echo 'kernel/mm/transparent_hugepage/enabled = never' > /etc/sysfs.conf
  ##RUN echo never > /sys/kernel/mm/transparent_hugepage/defrag
  # Ubuntu disabling transparent hugepages
  #      RUN echo /sys/kernel/mm/transparent_hugepage/enabled = never > /etc/sysfs.conf
  
negative.code: # RUN sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6
  
  ENV MONGO_MAJOR 3.4
  ENV MONGO_VERSION 3.4.4
  ENV MONGO_PACKAGE mongodb-org
  
  # https://docs.mongodb.com/manual/tutorial/install-mongodb-on-ubuntu/
  # RUN echo "deb [ arch=amd64,arm64 ] http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.4.list
  
  ## RUN echo "deb http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/$MONGO_MAJOR multiverse" > /etc/apt/sources.list.d/mongodb-org-$MONGO_MAJOR.list
  # RUN echo "deb http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.2.list
  
  RUN set -x \
  