anchor.diff:  RUN mkdir -p dist node_modules && chown -R node:node .
   
   
  -### Stage 1 - Base image for development image to install and configure Chromium for unit tests
  -FROM base as developBase
  +### Stage 1 - Development root with Chromium installed for unit tests
  +FROM base as development
  +ENV \
  +  CHROME_BIN=/usr/bin/chromium-browser \
  +  LIGHTHOUSE_CHROMIUM_PATH=/usr/bin/chromium-browser \
  +  NODE_ENV=development
   RUN \
     echo "http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories \
     && echo "http://dl-cdn.alpinelinux.org/alpine/edge/main" >> /etc/apk/repositories \
  
positive.code:   NODE_ENV=production
  
  
  ### Stage 6 - Build production-ready release
  FROM buildBase as build
  USER node
  # Copy all `node_modules` from `dependancies` layer
  COPY --from=dependencies /app/node_modules ./node_modules
  # Copy source files, and possibily invalidate so we have to rebuild
  COPY . .
  RUN npm run build
  
  
  ### Stage 7 - Serve production-ready release
  FROM buildBase as production
  USER node
  # Copy only `node_modules` and files needed to run the server
  COPY --from=dependencies /app/production_node_modules ./node_modules
  COPY --from=build /app/dist dist
  COPY --from=build \
    /app/config.server.js \
  
negative.code:   && apk --no-cache upgrade \
    && apk add --no-cache git fontconfig bash udev ttf-opensans chromium \
    && rm -rf /var/cache/apk/* /tmp/*
  # Install package dependancies
  COPY package.json .
  COPY yarn.lock .
  RUN yarn install
  # Build all modules for mounted packages (used when npm linking in development containers)
  COPY packageMounts/stub packageMounts/tideline/yarn.lock* packageMounts/tideline/package.json* /app/packageMounts/tideline/
  COPY packageMounts/stub packageMounts/tidepool-platform-client/yarn.lock* packageMounts/tidepool-platform-client/package.json*  /app/packageMounts/tidepool-platform-client/
  COPY packageMounts/stub packageMounts/@tidepool/viz/yarn.lock* packageMounts/@tidepool/viz/package.json* /app/packageMounts/@tidepool/viz/
  RUN chown -R node .
  USER node
  ARG LINKED_PKGS=""
  RUN for i in ${LINKED_PKGS//,/ }; do cd /app/packageMounts/${i} && yarn install; done
  # Copy source files
  USER root
  COPY --chown=node:node . .
  # Link any packages as needed
  USER node
  RUN for i in ${LINKED_PKGS//,/ }; do cd /app/packageMounts/${i} && yarn link && cd /app && yarn link ${i}; done
  CMD ["npm", "start"]
  
  
  ### Stage 2 - Base image for builds to share args and environment variables
  FROM base as buildBase
  # ARGs
  ARG API_HOST
  