{
  description = "Deployment for my server cluster";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    nixpkgs-stable.url = "github:NixOS/nixpkgs/nixos-23.11";
    flake-utils.url = "github:numtide/flake-utils";
    deploy.url = "github:serokell/deploy-rs";
    nurpkgs.url = "github:nix-community/NUR";
    sops-nix.url = "github:Mic92/sops-nix";
    lanzaboote.url = "github:nix-community/lanzaboote";
    home-manager.url = "github:nix-community/home-manager";

    simple-nixos-mailserver = {
      url = "gitlab:simple-nixos-mailserver/nixos-mailserver/master";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    rycee-nurpkgs = {
      url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    nixpkgs-f2k = {
      url = "github:fortuneteller2k/nixpkgs-f2k";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    devenv = {
      url = "github:cachix/devenv/latest";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {...} @ args: import ./outputs.nix args;
}