{
  description = "stargazer";

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

    rust-overlay.url = "github:oxalica/rust-overlay";
    rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs =
    { self
    , nixpkgs
    , flake-utils
    , rust-overlay
    }:
    flake-utils.lib.eachDefaultSystem
      (system:
      {
        devShells = {
          default = import ./shell.nix {
            pkgs = import nixpkgs {
              inherit system;
              overlays = [ (import rust-overlay) ];
            };
          };
        };
      }
      );
}