anchor.diff:  ENV TERM linux
   RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
   
  +# ADD codewarrior user
  +RUN useradd codewarrior
  +RUN rm -rf ~codewarrior && cp -a ~root ~codewarrior && chown -R codewarrior:codewarrior ~codewarrior
   RUN apt-get install -y python python-dev python-pip python-virtualenv
   
   # Define mountable directories.
   
   # Install Node.js
  -RUN \
  -  cd /tmp && \
  -  wget http://nodejs.org/dist/node-latest.tar.gz && \
  -  tar xvzf node-latest.tar.gz && \
  -  rm -f node-latest.tar.gz && \
  -  cd node-v* && \
  -  ./configure && \
  -  CXX="g++ -Wno-unused-local-typedefs" make && \
  -  CXX="g++ -Wno-unused-local-typedefs" make install && \
  -  cd /tmp && \
  -  rm -rf /tmp/node-v* && \
  -  echo '\n# Node.js\nexport PATH="node_modules/.bin:$PATH"' >> /root/.bash_profile
  -
  +RUN add-apt-repository ppa:chris-lea/node.js
  +RUN apt-get update 
  +RUN apt-get install -y nodejs
  +RUN su codewarrior -c "echo '\n# Node.js\nexport PATH=\"/codewars/node_modules/.bin:$PATH\"' >> ~codewarrior/.bash_profile"
   
   # Define default command.
   CMD ["bash"]
  
positive.code:     mkdir /data/db
  
  # Install mongo packages for languages
  RUN npm install mongoose
  RUN npm install mongodb
  RUN pip install pymongo
  RUN gem install mongo --no-ri --no-rdoc
  RUN gem install mongoid --no-ri --no-rdoc
  
negative.code: RUN add-apt-repository ppa:ubuntu-toolchain-r/ppa
  RUN apt-get -y install clang-3.4 lldb-3.4
  
  # ADD cli-runner and install node deps
  ADD . /codewars
  
  # Build the jvm-runner
  WORKDIR /codewars/jvm-runner
  RUN [ -e target/jvm-runner-0.1.1-standalone.jar ] || LEIN_ROOT=true lein do clean, test, uberjar
  
  WORKDIR /codewars
  RUN npm install
  
  # Run the test suite to make sure this thing works
  
  USER codewarrior
  # Set environment variables
  ENV TIMEOUT 2000
  ENV USER codewarrior
  ENV HOME /home/codewarrior
  RUN mocha -t 5000 test/*
  
  #timeout is a fallback in case an error with node
  