anchor.diff:      ln -s /opt/nodejs/bin/npm /usr/bin/npm && \
       \
       # Install Node dependencies
  -    npm install npm@${NPM_VERSION} -g && \
  +    npm install -g npm@${NPM_VERSION} && \
       npm install -g node-gyp && \
       npm install -g fibers && \
       \
  
positive.code: ENV PORT=80
  EXPOSE $PORT
  
  CMD ["node", "/build/main.js"]
  
negative.code: # Set the environment variables (defaults where required)
  ENV BUILD_DEPS="wget curl bzip2 build-essential python git ca-certificates"
  ENV GOSU_VERSION=1.10
  ENV NODE_VERSION ${NODE_VERSION:-v6.10.2}
  ENV METEOR_RELEASE ${METEOR_RELEASE:-1.4.3.2}
  ENV NPM_VERSION ${NPM_VERSION:-3.10.10}
  ENV ARCHITECTURE ${ARCHITECTURE:-linux-x64}
  ENV SRC_PATH ${SRC_PATH:-./}
  
  