.gitpod.Dockerfile

# This is based on https://github.com/gitpod-io/template-haskell

FROM gitpod/workspace-base

# Install dependencies
RUN sudo apt-get update && sudo apt-get install -y build-essential curl libffi-dev libffi7 libgmp-dev libgmp10 libncurses-dev libncurses5 libtinfo5 texlive-latex-extra graphviz dot2tex

# ghcup is a replacement for the haskell platform. It manages the development env easily. 
# We use the official instalation script
RUN sudo curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh

# Add ghcup to path
ENV PATH=${PATH}:${HOME}/.ghcup/bin

# Set up the environment. This will install the default versions of every tool.
RUN ghcup install ghc 9.4.7
RUN ghcup install hls
RUN ghcup install stack
RUN ghcup install cabal

# change stack's configuration to use system installed ghc.
# By default, stack tool will download its own version of the compiler,
# Setting up this configuration will avoid downloading haskell compiler twice.
RUN stack config set install-ghc --global false
RUN stack config set system-ghc --global true