anchor.diff:  # backend build (api server)
  -FROM golang:1.14-alpine AS api-build
  +FROM golang:1.15-alpine AS api-build
   RUN apk add --no-cache --update bash dep make git curl g++
   
   COPY ./api /go/src/commento/api/
  
positive.code: 
  
  # final image
  FROM alpine:3.7
  RUN apk add --no-cache --update ca-certificates
  
  COPY --from=api-build /go/src/commento/api/build/prod/commento /commento/commento
  
negative.code: 
  
  # frontend build (html, js, css, images)
  FROM node:12-alpine AS frontend-build
  RUN apk add --no-cache --update bash make python2 g++
  
  COPY ./frontend /commento/frontend
  