anchor.diff:  COPY --from=0 /tmp/haproxy /usr/sbin/haproxy
   
   RUN apk add --no-cache \
  -    libexecinfo \
       lua5.3-libs
   
   STOPSIGNAL SIGUSR1
  
positive.code: RUN apk add --no-cache \
      build-base \
      linux-headers \
      libexecinfo-dev \
      lua5.3-dev \
      openssl-dev \
      pcre2-dev \
  
negative.code:  && tar zxf haproxy-${HAPROXY_VERSION}.tar.gz \
   && cd haproxy-${HAPROXY_VERSION} \
   && make all -j$(nproc) \
      CPU_CFLAGS="-Os -march=x86-64" \
      DEBUG_CFLAGS= \
      EXTRA_OBJS="contrib/prometheus-exporter/service-prometheus.o" \
  