anchor.diff:  
   RUN apt-get -qy update
   
  +# Install base tools
  +RUN apt-get install -qy wget build-essential unzip curl vim
  +
   # Install supervisor
   RUN apt-get install -qy supervisor
   RUN mkdir -p /var/log/supervisor
  
positive.code: # Configure Supervisord
  ADD conf/supervisord.conf /etc/supervisor/conf.d/supervisord.conf
  
  # Download ngx_pagespeed
  WORKDIR /usr/src
  ENV NPS_VERSION 1.9.32.1
  RUN apt-get install -qy wget build-essential zlib1g-dev libpcre3 libpcre3-dev unzip
  RUN wget https://github.com/pagespeed/ngx_pagespeed/archive/release-${NPS_VERSION}-beta.zip
  RUN unzip release-${NPS_VERSION}-beta.zip
  RUN mv ngx_pagespeed-release-${NPS_VERSION}-beta ngx_pagespeed
  
negative.code: 		--with-http_spdy_module \
  		--with-cc-opt='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2' \
  		--with-ld-opt='-Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,--as-needed' \
  		--with-sha1=/usr/include/openssl \
  		--with-md5=/usr/include/openssl \
  		--with-openssl='/usr/src/openssl-1.0.1j' \
  		--with-http_sub_module \
  		--add-module=/usr/src/ngx_pagespeed
  RUN make 
  