anchor.diff:  RUN \
   
     # global package
  -  /bin/bash -l -c 'npm install -g cnpm --registry=https://r.cnpmjs.org' && \
  +  /bin/bash -l -c 'npm install -g cnpm --registry=https://registry.npm.taobao.org' && \
     /bin/bash -l -c 'cnpm install -g \
       coffee-script http-server supervisor nodemon forever pm2'
  
positive.code:   # npm
    cp -f ~/.nvm/nvm.sh ~/.nvm/nvm-tmp.sh && \
    echo "nvm install $NODE_VERSION" >> ~/.nvm/nvm-tmp.sh && \
    echo "nvm alias 4 $NODE_VERSION" >> ~/.nvm/nvm-tmp.sh && \
    echo "nvm alias default 4" >> ~/.nvm/nvm-tmp.sh && \
    echo "nvm use default" >> ~/.nvm/nvm-tmp.sh && \
    sh ~/.nvm/nvm-tmp.sh && \
    rm ~/.nvm/nvm-tmp.sh && \
  
negative.code: 
  MAINTAINER FooTearth "footearth@gmail.com"
  
  ENV NODE_VERSION 5.0.0
  
  WORKDIR /root
  
  