anchor.diff:  
   # Download RPM source for Apache, configure the mod_proxy patch, rebuild the RPM and install it
   WORKDIR /tmp
  -RUN yum install -y yum-utils-1.1.31 rpm-build-4.11.3
  -RUN yumdownloader --source httpd-2.4.6
  -RUN HOME="/tmp" rpm -ivh httpd-*.src.rpm
  -RUN yum-builddep -y httpd-2.4.6
  +RUN yum install -y yum-utils-1.1.31 rpm-build-4.11.3 && \
  +    yum clean all && \
  +    yumdownloader --source httpd-2.4.6 && \
  +    HOME="/tmp" rpm -ivh httpd-*.src.rpm && \
  +    yum-builddep -y httpd-2.4.6
   WORKDIR /tmp/rpmbuild/SPECS
  -RUN HOME="/tmp" rpmbuild -bp httpd.spec
  -RUN ls /home/oe2/onearth
  -RUN cp /home/oe2/onearth/docker/mod_proxy_http.patch /tmp/rpmbuild/SOURCES
  -RUN patch -p2 <  /home/oe2/onearth/docker/http_rpm_spec.patch
  -RUN HOME="/tmp" rpmbuild -ba httpd.spec
  -RUN yum -y remove httpd httpd-devel httpd-tools
  -RUN rpm -ivh /tmp/rpmbuild/RPMS/x86_64/httpd*.rpm
  -RUN rpm -ivh /tmp/rpmbuild/RPMS/x86_64/mod_ssl*.rpm
  +RUN HOME="/tmp" rpmbuild -bp httpd.spec && \
  +    ls /home/oe2/onearth && \
  +    cp /home/oe2/onearth/docker/mod_proxy_http.patch /tmp/rpmbuild/SOURCES && \
  +    patch -p2 <  /home/oe2/onearth/docker/http_rpm_spec.patch && \
  +    HOME="/tmp" rpmbuild -ba httpd.spec && \
  +    yum -y remove httpd httpd-devel httpd-tools && \
  +    yum clean all && \
  +    rpm -ivh /tmp/rpmbuild/RPMS/x86_64/httpd*.rpm && \
  +    rpm -ivh /tmp/rpmbuild/RPMS/x86_64/mod_ssl*.rpm
   
   # Install APR patch
   WORKDIR /tmp
  -RUN wget http://archive.apache.org/dist/apr/apr-1.6.5.tar.gz
  -RUN tar xf apr-1.6.5.tar.gz
  -WORKDIR /tmp/apr-1.6.5
  -RUN patch  -p2 < /home/oe2/onearth/src/modules/mod_mrf/apr_FOPEN_RANDOM.patch
  -RUN ./configure --prefix=/lib64
  -RUN make && make install
  +RUN wget http://archive.apache.org/dist/apr/apr-1.6.5.tar.gz && \
  +    tar xf apr-1.6.5.tar.gz && \
  +    cd /tmp/apr-1.6.5 && \
  +    patch  -p2 < /home/oe2/onearth/src/modules/mod_mrf/apr_FOPEN_RANDOM.patch && \
  +    ./configure --prefix=/lib64 && \
  +    make && make install && \
  +    cd / && rm -rf /tmp/apr-1.6.5* /tmp/httpd-2.4.6* /tmp/rpmbuild*
   
   # Set the locale
   RUN localedef -i en_US -f UTF-8 en_US.UTF-8
  
positive.code: 
  WORKDIR /home/oe2
  RUN rm -rf ./onearth
  RUN rm -rf /tmp/apr-1.6.5* /tmp/httpd-2.4.6* /tmp/rpmbuild*
  
negative.code: # This Dockerfile must be run from source root
  
  # This version of the Dockerfile packs commands together to minimize layers and
  # to minimize image size.
  
  FROM centos:7
  
  # Install dependencies
  RUN yum -y update && \
      yum clean all && \
      yum groupinstall -y "Development Tools" && \
      yum install -y epel-release-7-11 https://repo.ius.io/ius-release-el7.rpm && \
      yum install -y \
          lua-devel-5.1.4 \
          jansson-devel-2.10 \
          libpng-devel-1.5.13 \
          pcre-devel-8.32 \
          wget-1.14 \
          libyaml-devel-0.1.4 \
          libcurl-devel-7.29.0 \
          libjpeg-turbo-devel-1.2.90 \
          libxml2-2.9.1 \
          libxml2-devel-2.9.1 \
          mod_ssl \
          openssl-devel \
          luarocks-2.3.0 \
          redis5 \
          python36-3.6.8 \
          python36-devel-3.6.8 \
          python36-pip-9.0.1 \
          cronie && \
      pip3.6 install \
          requests==2.24.0 \
          pyaml==18.11.0 \
          lxml==4.6.3 \
          pypng==0.0.20 \
          boto3==1.9 \
          redis==3.5.3 \
          urllib3==1.26.4 && \
      yum clean all
  
  # Copy OnEarth to home directory
  RUN mkdir -p /home/oe2
  