anchor.diff:  RUN curl -L https://github.com/facebook/rocksdb/archive/v6.6.4.tar.gz | tar xz
   WORKDIR /rocksdb-6.6.4
   RUN make static_lib -j6
  +RUN make install-headers
   RUN mv librocksdb.a /
   
   FROM node:12 AS webui
  
positive.code: FROM crystallang/crystal:0.33.0 AS builder
  COPY --from=duktape /libduktape.a /usr/lib
  COPY --from=rocksdb /librocksdb.a /usr/lib
  COPY --from=webui /webui /app/vendor/rethinkdb-webui
  RUN ls -lhs /usr/lib/librocksdb.a
  WORKDIR /app
  COPY shard.yml shard.lock ./
  
negative.code: 
  FROM crystallang/crystal:0.33.0
  COPY --from=builder /app/main /rethinkdb-lite
  COPY --from=webui /webui /vendor/rethinkdb-webui
  CMD ["/rethinkdb-lite"]
  