anchor.diff: -FROM openjdk:8-alpine
  +FROM openjdk:8-alpine3.7
   
   LABEL maintainer="Fu Cheng <alexcheng1982@gmail.com>"
   
  
positive.code: 	&& tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
  	&& rm python.tar.xz \
  	\
  	&& cd /usr/src/python \
  	&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
  	&& ./configure \
  
negative.code: # https://github.com/docker-library/python/issues/147
  ENV PYTHONIOENCODING UTF-8
  
  # install ca-certificates so that HTTPS works consistently
  # the other runtime dependencies for Python are installed later
  RUN apk add --no-cache ca-certificates
  
  ENV GPG_KEY C01E1CAD5EA2C4F0B8E3571504C367C218ADD4FF
  ENV PYTHON_VERSION 2.7.15
  
  RUN set -ex \
  	&& apk add --no-cache --virtual .fetch-deps \
  		gnupg \
  		libressl \
  		tar \
  		xz \
  	\
  	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
  	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
  