anchor.diff:      && tar xzf hdf5-1.8.19.tar.gz \
       && cd hdf5-1.8.19 \
       && /bin/sh configure --prefix=/usr/local \
  -    && make \
  +    && make -j \
       && make install \
       && cd .. \
       && rm -rf hdf5-1.8.19 \
  
positive.code:     && tar xzf netcdf-4.4.1.1.tar.gz \
      && cd netcdf-4.4.1.1 \
      && /bin/sh configure --prefix=/usr/local \
      && make \
      && make install \
      && cd .. \
      && rm -rf netcdf-4.4.1.1 \
      && rm -rf netcdf-4.4.1.1.tar.gz
  
  RUN yum -y install httpd
  RUN yum clean all
  RUN systemctl enable httpd.service
  
  # pipenv installation
  
negative.code: # Install container dependencies:
  RUN yum -y install epel-release && \
      yum -y update && \
      yum -y install make git m4 zlib-devel redis
  
  RUN yum -y groupinstall "Development Tools"
  
  # Python 3.6 update:
  RUN yum update -y \
      && yum install -y python36 python36-libs python36-devel python36-pip \
      which gcc udunits2-devel expat-devel openldap-devel httpd \
      && yum clean all
  
  # UDUNITS
  RUN curl -O ftp://ftp.unidata.ucar.edu/pub/udunits/udunits-2.2.25.tar.gz \
      && tar xzf udunits-2.2.25.tar.gz \
      && cd udunits-2.2.25 \
      && /bin/sh configure --prefix=/usr/local \
      && make -j \
      && make install \
      && cd .. \
      && rm -rf udunits-2.2.25 \
  