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docker-ghcide-neovim

Install ghcide, Neovim, and CoC in a minimal Debian 10 Docker container as of May 2020.

The Dockerfile is based on Marco Lopes' instructions with some tweaks to get things to work with the latest versions of each component.

The purpose is to pin down all the dependencies and configurations; I don't use this container to do actual development work.

The Dockerfile will install and configure:

  1. Debian build requirements, GHC, cabal-install;
  2. ghcide;
  3. neovim;
  4. plugged, coc.vim, haskell-vim; and
  5. a skeleton hello-world project.

To build the container:

git clone https://github.com/carlohamalainen/docker-ghcide-neovim.git
cd docker-ghcide-neovim
./build.sh

This takes about 30 minutes on a 4th gen Lenovo X1 Carbon laptop.

Full output: build.txt

In particular, note the output of ghcide in the sample project directory. This shows you what ghcide can work with, and is worth checking before messing around with Vim/Neovim settings.

To run the container:

./run.sh

In the container, launch Neovim:

../nvim Main.hs

Check that ghcide is working by moving the cursor over putStrLn and show its type using K:

putStrLn