anchor.diff:  # the directory mounted rather then overridding with the permission of the volume file.
   RUN chmod 777 /go && \
       chmod 777 /gocache && \
  -    chmod 777 /goinstall && \
  +    chmod 777 /gobin && \
       chmod 777 /config && \
       chmod 777 /config/.docker && \
       chmod 777 /config/.config/gcloud && \
  
positive.code: # the directory mounted rather then overridding with the permission of the volume file.
  RUN chmod 777 /go && \
      chmod 777 /gocache && \
      chmod 777 /goinstall && \
      chmod 777 /config && \
      chmod 777 /config/.docker && \
      chmod 777 /config/.config/gcloud && \
  
negative.code: # mountpoints in /config are special.
  RUN mkdir -p /go && \
      mkdir -p /gocache && \
      mkdir -p /gobin && \
      mkdir -p /config/.docker && \
      mkdir -p /config/.config/gcloud && \
      mkdir -p /config/.kube && \
  