{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs = { nixpkgs, ... }: {
    colmena = {
      meta = {
        nixpkgs = import nixpkgs {
          system = "x86_64-linux";
        };
      };

      nitter = { name, nodes, pkgs, ... }: {
        deployment = {
          targetHost = "nitter.vs.grzb.de";
          targetUser = "colmena-deploy";
        };
        imports = [
          ./configuration/common
          ./configuration/proxmox-vm
          ./hosts/nitter
        ];
      };

      coturn = { name, nodes, pkgs, ... }: {
        deployment = {
          targetHost = "nixos-coturn.vs.grzb.de";
          targetUser = "colmena-deploy";
        };
        imports = [
          ./configuration/common
          ./configuration/proxmox-vm
          ./hosts/coturn
        ];
      };
    };
  };
}