* simplify haskell packages overrides based on new nixpkgs * update Nix gitignore * simplify Haskell packages overlay Co-authored-by: monacoremo <monacoremo>
* package ghr * add nix-based release scripts * refactor CI based on nix tests and release scripts * update stack version in circleci * update makefile * remove docker directory * add Docker Hub description * add README on docker
* openssl linking fix is required after all * remove Cabal override (obsoleted on new nixpkgs)