anchor.diff: -FROM node:10-alpine3.11
  +FROM node:lts-alpine3.13
   
   RUN apk add --no-cache \
   		ca-certificates
  
positive.code: 
  ENV PATH /usr/local/go/bin:$PATH
  
  ENV GOLANG_VERSION 1.15.3
  
  RUN set -eux; \
  	apk add --no-cache --virtual .build-deps \
  
negative.code: 	esac; \
  	\
  # https://github.com/golang/go/issues/38536#issuecomment-616897960
  	url='https://storage.googleapis.com/golang/go1.15.8.src.tar.gz'; \
  	sha256='540c0ab7781084d124991321ed1458e479982de94454a98afab6acadf38497c2'; \
  	\
  	wget -O go.tgz.asc "$url.asc"; \
  	wget -O go.tgz "$url"; \
  