anchor.diff:  COPY --from=base $VTTOP/config/mycnf/rbr.cnf /vt/config/mycnf/
   
   # add vitess user and add permissions
  -RUN groupadd -r vitess && useradd -r -g vitess vitess && \
  +RUN groupadd -r --gid 999 vitess && useradd -r -g vitess --uid 999 vitess && \
      chown -R vitess:vitess /vt;
   
   # TODO: remove when https://github.com/youtube/vitess/issues/3553 is fixed
   RUN apt-get update && \
       apt-get upgrade -qq && \
  -    apt-get install mysql-client -qq && \
  +    apt-get install mysql-client -qq --no-install-recommends && \
  +    apt-get autoremove && \
       apt-get clean && \
  -    apt-get autoclean && \
  -    apt-get autoremove+    rm -rf /var/lib/apt/lists/*
  
positive.code: FROM vitess/base as base
  
  FROM debian:stretch-slim
  
  
negative.code: ENV VTDATAROOT /vtdataroot
  ENV VTTOP /vt/src/github.com/youtube/vitess
  
  # Prepare directory structure.
  RUN mkdir -p /vt && \
      mkdir -p /vt/bin && \
      mkdir -p /vt/config && \
      mkdir -p /vt/web && \
  