github.com_the-nix-way_dev-templates/empty/flake.nix

{
  description = "An empty flake template that you can adapt to your own environment";

  # Flake inputs
  inputs.nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1"; # unstable Nixpkgs

  # Flake outputs
  outputs =
    { self, ... }@inputs:

    let
      # The systems supported for this flake
      supportedSystems = [
        "x86_64-linux" # 64-bit Intel/AMD Linux
        "aarch64-linux" # 64-bit ARM Linux
        "x86_64-darwin" # 64-bit Intel macOS
        "aarch64-darwin" # 64-bit ARM macOS
      ];

      # Helper to provide system-specific attributes
      forEachSupportedSystem =
        f:
        inputs.nixpkgs.lib.genAttrs supportedSystems (
          system:
          f {
            pkgs = import inputs.nixpkgs { inherit system; };
          }
        );
    in
    {
      devShells = forEachSupportedSystem (
        { pkgs }:
        {
          default = pkgs.mkShellNoCC {
            # The Nix packages provided in the environment
            # Add any you need here
            packages = with pkgs; [ ];

            # Set any environment variables for your dev shell
            env = { };

            # Add any shell logic you want executed any time the environment is activated
            shellHook = '''';
          };
        }
      );
    };
}