anchor.diff:  	&& tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
   	&& rm python.tar.xz \
   	\
  +	&& apk add --no-cache --virtual .build-deps  \
  +		bzip2-dev \
  +		coreutils \
  +		dpkg-dev dpkg \
  +		findutils \
  +		gcc \
  +		gdbm-dev \
  +		libc-dev \
  +		libnsl-dev \
  +		libressl \
  +		libressl-dev \
  +		libtirpc-dev \
  +		linux-headers \
  +		make \
  +		ncurses-dev \
  +		pax-utils \
  +		readline-dev \
  +		sqlite-dev \
  +		tcl-dev \
  +		tk \
  +		tk-dev \
  +		zlib-dev \
  +# add build deps before removing fetch deps in case there's overlap
  +	&& apk del .fetch-deps \
  +	\
   	&& cd /usr/src/python \
   	&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
   	&& ./configure \
  
positive.code: FROM openjdk:8-alpine
  
  LABEL maintainer="Fu Cheng <alexcheng1982@gmail.com>"
  
  
negative.code: 
  RUN set -ex; \
  	\
  	apk add --no-cache --virtual .fetch-deps libressl; \
  	\
  	wget -O get-pip.py 'https://bootstrap.pypa.io/get-pip.py'; \
  	\
  	apk del .fetch-deps; \
  	\
  	python get-pip.py \
  		--disable-pip-version-check \
  