1# Elm {#sec-elm} 2 3To start a development environment, run: 4 5```ShellSession 6nix-shell -p elmPackages.elm elmPackages.elm-format 7``` 8 9To update the Elm compiler, see `nixpkgs/pkgs/development/compilers/elm/README.md`. 10 11To package Elm applications, [read about elm2nix](https://github.com/hercules-ci/elm2nix#elm2nix).