upgrade
Debian Haskell Group tools
RUN apt-get update && \
apt-get install -y pkg-haskell-tools
RUN apt-get update && \
apt-get install -y pkg-haskell-tools
RUN apt-get update && \
apt-get install -y pkg-haskell-tools
RUN apt-get update && \
apt-get install -y pkg-haskell-tools