anchor.diff:  RUN npm install -g npm@latest && npm install -g yarn && yarn --production
   
   # FINAL STAGE
  -FROM debian:stretch
  +FROM debian:bullseye
   
   ENV NVM_DIR /root/.nvm
   ENV NODE_VERSION v12.22.1
  
positive.code: # BUILD STAGE
  FROM debian:stretch as build-stage
  
  ENV BUILD_DIR /tmp/build
  ENV NVM_DIR /root/.nvm
  
negative.code: ENV PATH $NVM_DIR/versions/node/$NODE_VERSION/bin:$PATH
  
  RUN apt-get update -y && apt-get install -y -q --no-install-recommends \
    apt-utils \
    ca-certificates \
    udev
  
  