flake.nix

{
  description = "A Nix-flake-based Go development environment";

  # GitHub URLs for the Nix inputs we're using
  inputs = {
    # Simply the greatest package repository on the planet
    nixpkgs.url = "github:NixOS/nixpkgs";
    # A set of helper functions for using flakes
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };

        node = pkgs.nodejs_latest;
      in {
        devShells = {
          default = pkgs.mkShell {
            # Packages included in the environment
            buildInputs = [ node ];

            # Run when the shell is started up
            shellHook = ''
              echo "node `${node}/bin/node --version`"
            '';
          };
        };
      });
}