{
    inputs.nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";

    outputs = { nixpkgs, ... }: let
        systems = [
            "aarch64-darwin"
            "aarch64-linux"
            "x86_64-linux"
        ];

        forAllSystems = f:
            nixpkgs.lib.genAttrs systems (system:
                f (import nixpkgs { inherit system; })
            );
    in {
        devShells = forAllSystems(pkgs: {
            default = pkgs.mkShell {
                packages = with pkgs; [
                    cargo
                    rustc
                    rust-analyzer
                    gcc
                    sqlite
                    sqlx-cli
                ];
            };
        });
    };
}