anchor.diff:  
   # Copy files used by Gulp.
   COPY ["config", "config"]
  +COPY ["config/secretSettings.js", "config/localSettings.js"]
   COPY ["public", "public"]
   COPY ["gulpfile.js", "gulpfile.js"]
   COPY ["package.json", "package.json"]
  -
  -
  -RUN npm run build && \
  -    npm prune
  +RUN npm run docker
   
   # Copy source files, so changes does not trigger gulp.
   COPY ["app.js", "app.js"]
  
positive.code: FROM kthse/kth-nodejs-web:2.1-alpine
  
  MAINTAINER KTH Webb "cortina.developers@kth.se"
  
  
negative.code: # We do this to avoid npm install when we're only changing code
  WORKDIR /npm
  COPY ["package.json", "package.json"]
  RUN npm install --production --no-optional
  
  # Add the code and copy over the node_modules-catalog
  WORKDIR /application
  