{
  description = "testing nix flakes for server deployment";

  inputs = {
    nixpkgs = "github:NixOS/nixpkgs#release-21.11";
    nixpkgs-unstalbe = "github:NixOS/nixpkgs#nixpkgs-unstable";
    uplcg = "git:https//stuebinm.eu/git/uplcg";
    woitb = "git:https://stuebinm.eu/git/woitb";
    workadventure = "git:https://stuebinm.eu/git/workadventure-nix";
  };

  output = { self, nixpkgs, ... }@inputs: {

    nixosConfigurations.chaski = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      modules = [ ./hosts/chaski/configuration.nix ];
    };
  };
}