anchor.diff:  FROM ubuntu:latest AS builder
   
  -ENV BITCOIN_VERSION=22.0
  +ARG BITCOIN_VERSION=22.0
   
   WORKDIR /tmp
   
  
positive.code: 
  EXPOSE 8333
  
  CMD ["/usr/local/bin/bitcoind", "-datadir=/var/lib/bitcoin", "-nodebuglogfile"]
  
negative.code:      autoconf \
       automake \
       build-essential \
       libboost-filesystem-dev \
       libboost-system-dev \
       libboost-thread-dev \
       libevent-dev \
       libsqlite3-dev \
       libtool \
  