anchor.diff:  
   ############################################# Build image for Opentracing #############################################
   FROM debian as opentracing
  -ARG NGINX_VERSION
   ARG OPENTRACING_VERSION=1.6.0
   ARG IC_VERSION
   
  -LABEL version=debian-nginx-opentracing-$NGINX_PLUS_VERSION-$IC_VERSION
  +LABEL version=debian-nginx-opentracing-$NGINX_VERSION-$IC_VERSION
   
   COPY --from=opentracing-builder /nginx-${NGINX_VERSION}/objs/ngx_http_opentracing_module.so /usr/lib/nginx/modules/ngx_http_opentracing_module.so
   COPY --from=opentracing-builder /usr/local/lib/libopentracing.so.${OPENTRACING_VERSION} /usr/local/lib/libopentracing.so.1
  
positive.code: 
  ############################################# Build image for Opentracing Builder #############################################
  FROM debian as opentracing-builder
  ARG NGINX_VERSION
  ARG NGINX_OPENTRACING=0.10.0
  ARG OPENTRACING_VERSION=1.6.0
  
  
negative.code: 	build-essential \
  	cmake \
  	git \
  	libcurl4-openssl-dev \
  	libgeoip-dev \
  	liblmdb-dev \
  