{
  description = "My NixOS config";

  inputs = {
    # Nixpkgs
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    stable.url = "github:nixos/nixpkgs/nixos-23.11";
    # You can access packages and modules from different nixpkgs revs
    # at the same time. Here's an working example:
    unstable.url = "github:nixos/nixpkgs/nixos-unstable";
    # Also see the 'unstable-packages' overlay at 'overlays/default.nix'.

    # TODO: Add any other flake you might need
    # hardware.url = "github:nixos/nixos-hardware";

    # Shameless plug: looking for a way to nixify your themes and make
    # everything match nicely? Try nix-colors!
    # nix-colors.url = "github:misterio77/nix-colors";
  };

  outputs = {
    self,
    nixpkgs,
    stable,
    unstable,
    ...
  } @ inputs: let
    inherit (self) outputs;
    # Supported systems for your flake packages, shell, etc.
    systems = [
      "aarch64-linux"
      "x86_64-linux"
    ];
    # This is a function that generates an attribute by calling a function you
    # pass to it, with each system as an argument
    forAllSystems = nixpkgs.lib.genAttrs systems;
  in {
    # Your custom packages
    # Accessible through 'nix build', 'nix shell', etc
    packages = forAllSystems (system: import ./pkgs nixpkgs.legacyPackages.${system});
    # Formatter for your nix files, available through 'nix fmt'
    # Other options beside 'alejandra' include 'nixpkgs-fmt'
    formatter = forAllSystems (system: nixpkgs.legacyPackages.${system}.alejandra);

    # Your custom packages and modifications, exported as overlays
    overlays = import ./overlays {inherit inputs;};
    # Reusable nixos modules you might want to export
    # These are usually stuff you would upstream into nixpkgs
    nixosModules = import ./modules/nixos;

    # NixOS configuration entrypoint
    # Available through 'nixos-rebuild build --flake .#phoenix'
    nixosConfigurations = {
      phoenix = unstable.lib.nixosSystem {
        specialArgs = {inherit inputs outputs;};
        modules = [
          ./hosts/phoenix/configuration.nix
        ];
      };

      pc = unstable.lib.nixosSystem {
        specialArgs = {inherit inputs outputs;};
        modules = [
          ./hosts/pc/configuration.nix
        ];
      };

      stuff = stable.lib.nixosSystem {
        specialArgs = {inherit inputs outputs;};
        modules = [
          ./hosts/stuff/configuration.nix
        ];
      };

      enry = stable.lib.nixosSystem {
        specialArgs = {inherit inputs outputs;};
        modules = [
          ./hosts/enry/configuration.nix
        ];
      };
    };
  };
}