Setup checker

flake.nix

@@ -3,14 +3,20 @@
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
     sops-nix.url = "github:Mic92/sops-nix";
     sops-nix.inputs.nixpkgs.follows = "nixpkgs";
+    checker.url = "git+https://codeberg.org/oibot/checker.git";
   };
 
-  outputs = { self, nixpkgs, sops-nix, ... }:
+  outputs = { self, nixpkgs, sops-nix, checker, ... }:
     let
       system = "x86_64-linux";
     in {
       nixosConfigurations.tobserver = nixpkgs.lib.nixosSystem {
         inherit system;
+
+        specialArgs = {
+          inherit checker;
+        };
+
         modules = [
           sops-nix.nixosModules.sops
           ./hardware-configuration.nix
@@ -20,6 +26,7 @@
           ./modules/mempool.nix
           ./modules/nextcloud.nix
           ./modules/totap.nix
+          ./modules/checker.nix
         ];
       };
     };