anchor.diff:  ENV CONFIG_FLAGS="--without-npm" RM_DIRS=/usr/include
   # ENV CONFIG_FLAGS="--fully-static --without-npm" DEL_PKGS="libgcc libstdc++" RM_DIRS=/usr/include
   
  -RUN apk add --no-cache curl make gcc g++ binutils-gold python linux-headers paxctl libgcc libstdc++ gnupg && \
  +RUN apk add --no-cache curl make gcc g++ python linux-headers paxctl libgcc libstdc++ gnupg && \
     gpg --keyserver pool.sks-keyservers.net --recv-keys 9554F04D7259F04124DE6B476D5A82AC7E37093B && \
     gpg --keyserver pool.sks-keyservers.net --recv-keys 94AE36675C464D64BAFA68DD7434390BDBE9B9C5 && \
     gpg --keyserver pool.sks-keyservers.net --recv-keys 0034A06D9D9B0064CE8ADF6BF1747F4AD2306D93 && \
  
positive.code:     npm install -g npm@${NPM_VERSION} && \
      find /usr/lib/node_modules/npm -name test -o -name .bin -type d | xargs rm -rf; \
    fi && \
    apk del curl make gcc g++ binutils-gold python linux-headers paxctl gnupg ${DEL_PKGS} && \
    rm -rf /etc/ssl /node-${VERSION}.tar.gz /SHASUMS256.txt.asc /node-${VERSION} ${RM_DIRS} \
      /usr/share/man /tmp/* /var/cache/apk/* /root/.npm /root/.node-gyp /root/.gnupg \
      /usr/lib/node_modules/npm/man /usr/lib/node_modules/npm/doc /usr/lib/node_modules/npm/html
  
negative.code:   gpg --verify SHASUMS256.txt.asc && \
    grep node-${VERSION}.tar.gz SHASUMS256.txt.asc | sha256sum -c - && \
    tar -zxf node-${VERSION}.tar.gz && \
    cd node-${VERSION} && \
    if [ -f deps/v8/build/toolchain.gypi ]; then \
      sed -i -e "s/'linux_use_gold_flags%': 1/'linux_use_gold_flags%': 0/" deps/v8/build/toolchain.gypi; \
    fi && \
    ./configure --prefix=/usr ${CONFIG_FLAGS} && \
    NPROC=$(grep -c ^processor /proc/cpuinfo 2>/dev/null || 1) && \
    make -j${NPROC} -C out mksnapshot BUILDTYPE=Release && \
  