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## Dockerfile for a haskell environment
FROM       debian:stretch

## ensure locale is set during build
ENV LANG            C.UTF-8

RUN apt-get update && \
    apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git && \
    echo 'deb http://downloads.haskell.org/debian stretch main' > /etc/apt/sources.list.d/ghc.list && \
    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys BA3CBA3FFE22B574 && \
    apt-get update && \
    apt-get install -y --no-install-recommends ghc-8.4.3 cabal-install-2.2 \
        zlib1g-dev libtinfo-dev libsqlite3-dev g++ netbase xz-utils make && \
    curl -fSL https://github.com/commercialhaskell/stack/releases/download/v1.7.1/stack-1.7.1-linux-x86_64.tar.gz -o stack.tar.gz && \
    curl -fSL https://github.com/commercialhaskell/stack/releases/download/v1.7.1/stack-1.7.1-linux-x86_64.tar.gz.asc -o stack.tar.gz.asc && \
    apt-get purge -y --auto-remove curl && \
    export GNUPGHOME="$(mktemp -d)" && \
    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys C5705533DA4F78D8664B5DC0575159689BEFB442 && \
    gpg --batch --verify stack.tar.gz.asc stack.tar.gz && \
    tar -xf stack.tar.gz -C /usr/local/bin --strip-components=1 && \
    /usr/local/bin/stack config set system-ghc --global true && \
    /usr/local/bin/stack config set install-ghc --global false && \
    rm -rf "$GNUPGHOME" /var/lib/apt/lists/* /stack.tar.gz.asc /stack.tar.gz

ENV PATH /root/.cabal/bin:/root/.local/bin:/opt/cabal/2.2/bin:/opt/ghc/8.4.3/bin:$PATH

## run ghci by default unless a command is specified
CMD ["ghci"]

FROM debian:stretch

ENV LANG            C.UTF-8

ENV PATH /root/.cabal/bin:/root/.local/bin:/opt/cabal/2.2/bin:/opt/ghc/8.4.3/bin:$PATH

RUN export DEBIAN_FRONTEND=noninteractive && \
    apt-get update && \
    apt-get install -y --no-install-recommends ca-certificates curl git gnupg dirmngr && \
    echo 'deb http://downloads.haskell.org/debian stretch main' > /etc/apt/sources.list.d/ghc.list && \
    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys BA3CBA3FFE22B574 && \
    apt-get update && \
    apt-get install -y --no-install-recommends g++ gcc libc6-dev libffi-dev libgmp-dev make netbase xz-utils zlib1g-dev \
                                               ghc-8.4.3 cabal-install-2.2 && \
    rm -rf /var/lib/apt/lists/* && \
    curl -sSL https://get.haskellstack.org/ | sh && \
    stack config set system-ghc --global true && \
    stack config set install-ghc --global false && \
    stack eval 'putStrLn "Hello World, GHC is running in the house"' && \
    stack --local-bin-path=/usr/local/bin setup && \
    apt-get autoremove -y curl && \
    rm -rf /usr/share/doc && \
    rm -rf /usr/share/man && \
    rm -rf /root/.stack/indices/Hackage

CMD ["stack", "repl"]