anchor.diff:  		openssl-dev \
   		pcre-dev \
   		zlib-dev \
  +		readline-dev \
   		linux-headers \
   		curl \
   		gnupg \
  
positive.code: 	&& mkdir -p /usr/src \
  	&& tar -zxC /usr/src -f nginx.tar.gz \
  	&& rm nginx.tar.gz \
  	&& cd /usr/src/nginx-$NGINX_VERSION \
  	&& ./configure $CONFIG --with-debug \
  	&& make -j$(getconf _NPROCESSORS_ONLN) \
  
negative.code: 
  LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
  
  ADD . /src
  
  ENV NGINX_VERSION 1.12.2
  ENV LUAJIT_VERSION 2.0.5
  ENV LUA_NGINX_MODULE_VERSION 0.10.15
  
  RUN GPG_KEYS=B0F4253373F8F6F510D42178520A9993A1C052F8 \
  	&& CONFIG="\
  