anchor.diff:      make install && \
       cd .. && \
       echo "#### Clean solution ####" && \
  -    yum -y --setopt=group_command=objects groupremove 'Development Tools' && \
  -    yum -y autoremove && \
  -    yum -y remove *-devel && \
  -    yum -y clean all && \
  -    rm -rf $WORKING_DIRECTORY
  +    apk del build-base linux-headers git autoconf automake && \
  +    rm -rf $WORKING_DIRECTORY modsecurity.conf-recommended nginx-${NGINX_VERSION}.tar.gz nginx-${NGINX_VERSION} owasp-modsecurity-crs.tar.gz
   
   # Link Nginx and clean solution
   RUN ln -s /usr/local/nginx/sbin/nginx /usr/bin/nginx && \
  
positive.code: FROM centos:7
  
  MAINTAINER dan78uk
  
  
negative.code: RUN nginx -V
  
  # Enable basic configurations and import of external configurations
  RUN apk add openssl && \
      rm -rf /etc/nginx/conf.d/* && \
      mkdir -p /etc/nginx/external
  RUN sed -i 's/access_log.*/access_log \/dev\/stdout;/g' /etc/nginx/nginx.conf; \
  