anchor.diff:    rm sbt-$SBT_VERSION.deb && \
     apt-get update 
   RUN sbt update
  +
   ###############################
   # Install nvm with node and npm
   ###############################
  
positive.code: ENV PATH="${HOME}/.cabal/bin:/opt/cabal/1.22/bin:/opt/ghc/7.10.2/bin:${PATH}"
  
  WORKDIR /workspace/haskell
  RUN mkdir -p src/main/haskell
  RUN wget https://www.stackage.org/lts/cabal.config
  
  # install stackage
  
negative.code: RUN echo 'deb http://download.fpcomplete.com/ubuntu trusty main' | tee /etc/apt/sources.list.d/fpco.list
  RUN apt-get update && apt-get install stack -y
  COPY src /workspace/haskell/src/
  COPY functionaljs.cabal Setup.hs LICENSE /workspace/haskell/
  RUN stack init
  RUN stack setup
  # RUN stack build
  