* pin nixpkgs * use pinned nixpkgs * use pinned nixpkgs for docker build * use buildLayeredImage * test dhall * dhall channel * fix?? * fix??? * fix???? * easy-dhall-nix * fix????? * pin dhall-yaml to shell, update xepkgs to use inherit
* try nix * don't double build * Update docker.nix * Update nix.yml