{
  description = '''';

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    flake-parts.url = "github:hercules-ci/flake-parts";

    emanote.url = "github:srid/emanote";
    emanote.inputs.nixpkgs.follows = "nixpkgs";
    git-hooks-nix.url = "github:cachix/git-hooks.nix";
    git-hooks-nix.inputs.nixpkgs.follows = "nixpkgs";
    treefmt-nix.url = "github:numtide/treefmt-nix";
    treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs = inputs @ {flake-parts, ...}:
    flake-parts.lib.mkFlake {inherit inputs;} {
      imports = [
        # To import a flake module
        # 1. Add foo to inputs
        # 2. Add foo as a parameter to the outputs function
        # 3. Add here: foo.flakeModule
        inputs.emanote.flakeModule
        inputs.git-hooks-nix.flakeModule
        inputs.treefmt-nix.flakeModule
      ];
      systems = [
        "x86_64-linux"
        # "aarch64-linux"
        # "aarch64-darwin"
        # "x86_64-darwin"
      ];
      flake = {
        # The usual flake attributes can be defined here, including system-
        # agnostic ones like nixosModule and system-enumerating ones, although
        # those are more easily expressed in perSystem.
      };
      perSystem = {
        config,
        self',
        inputs',
        pkgs,
        system,
        ...
      }: {
        # Per-system attributes can be defined here. The self' and inputs'
        # module parameters provide easy access to attributes of the same
        # system.

        # Equivalent to  inputs'.nixpkgs.legacyPackages.hello;
        # packages.default = pkgs.hello;
        packages.default = self'.packages.osds-site;
        apps.default = self'.apps.osds-site;

        devShells.default = pkgs.mkShell {
          packages = with pkgs; [
            cowsay

            alejandra
          ];

          shellHook = ''
            ${config.pre-commit.installationScript}
            echo 1>&2 "Welcome to the development shell!"
          '';
        };

        emanote.sites = {
          osds-site = {
            layers = [
              {
                path = ./osds-src;
                pathString = "osds-src";
              }
            ];
            baseUrl = "localhost";
            port = 12513;
          };
        };

        pre-commit = {
          settings.hooks = {
            alejandra.enable = true;
            mdformat.enable = true;
            prettier.enable = true;
            prettier.excludes = [".*\.md" "flake.lock"];
            stylish-haskell.enable = true;
          };
        };

        treefmt = {
          programs = {
            alejandra.enable = true;
            mdformat.enable = true;
            prettier.enable = true;
            prettier.excludes = ["*.md"];
            stylish-haskell.enable = true;
          };
        };
      };
    };
}