{
  description = "Matrix server for CCCB";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
    agenix = {
      url = "github:ryantm/agenix";
      inputs = {
        nixpkgs.follows = "nixpkgs";
      };
    };
  };
  outputs = {self, nixpkgs, agenix}:
  let
    system = "x86_64-linux";
    pkgs = import nixpkgs { inherit system; };
  in
  {
    formatter.${system} = pkgs.nixfmt-tree;
    devShells.${system}.default = pkgs.mkShell {
      packages = [
        (agenix.packages.${system}.default)
        pkgs.age
      ];
    };
    nixosConfigurtions."matrix" = nixpkgs.lib.nixosSystem {
      inherit system;
      modules = [
        agenix.nixosModules.default
        { environment.systemPackages = [(agenix.packages.${system}.default)]; }
        {
          age.secrets = {
            pushover_app_token = {
              file = ./secrets/pushover_app_token.age;
              mode = "440";
              owner = "root";
              group = "root";
            };
            pushover_user_key = {
              file = ./secrets/pushover_user_key.age;
              mode = "440";
              owner = "root";
              group = "root";
            };
          };
        }
        ./configuration.nix
        ./services/synapse.nix
      ];
    };
  };
}