anchor.diff:  #
   # Get sample code
   RUN mkdir /root/nodejs
  +WORKDIR /root/nodejs 
   RUN git clone http://github.com/sendgridjp/sendgridjp-nodejs-example.git
  -RUN mv /sendgridjp-nodejs-example /root/nodejs
  -RUN cd /root/nodejs/sendgridjp-nodejs-example;npm install
  +#RUN cd /root/nodejs/sendgridjp-nodejs-example;npm install
  +WORKDIR /root/nodejs/sendgridjp-nodejs-example 
  +RUN npm install
   
   #
   # for python
   RUN apt-get install -y python3.2
   RUN mkdir /root/python
  -RUN curl -O https://raw.github.com/pypa/pip/master/contrib/get-pip.py
  -RUN mv /get-pip.py /root/python
  +WORKDIR /root/python 
  +RUN curl -L -O https://raw.github.com/pypa/pip/master/contrib/get-pip.py
   RUN python3.2 /root/python/get-pip.py
   RUN pip install sendgrid
   #
   # Get sample code
  +WORKDIR /root/python 
   RUN git clone http://github.com/sendgridjp/sendgridjp-python-example.git
  -RUN mv /sendgridjp-python-example /root/python
   
   #
   # for Ruby
  
positive.code: #
  # Get sample code
  RUN mkdir /root/go
  RUN git clone http://github.com/sendgridjp/sendgridjp-go-example.git
  RUN mv /sendgridjp-go-example /root/go
  RUN echo 'export GOPATH=/root/go/sendgridjp-go-example' >> /root/.profile
  ENV PATH $PATH:/usr/local/go/bin
  ENV GOROOT /usr/local/go
  ENV GOPATH /root/go/sendgridjp-go-example
  
negative.code: # for PHP
  #
  RUN apt-get install -y php5 curl libcurl3 php5-curl
  WORKDIR /usr/local/bin 
  RUN curl -sS https://getcomposer.org/installer | php
  #
  # Get sample code
  RUN mkdir /root/php
  WORKDIR /root/php 
  RUN git clone https://github.com/sendgridjp/sendgridjp-php-example
  WORKDIR /root/php/sendgridjp-php-example 
  RUN /usr/local/bin/composer.phar install
  
  #
  # for node.js
  