add uptime-kuma to public01

hosts/public01/default.nix

@@ -9,6 +9,11 @@
   # TODO: make it the default
   networking.domain = "infra.forkos.org";
 
+  bagel.uptime-kuma = {
+    enable = true;
+    domain = "status.forkos.org";
+  };
+
   bagel.sysadmin.enable = true;
   # Newsletter is proxied.
   bagel.raito.v6-proxy-awareness.enable = true;

services/uptime-kuma/default.nix

@@ -5,6 +5,7 @@
   ...
 }:
 let
+  cfg = config.bagel.uptime-kuma;
   subdomains = [
     "cl"
     "netbox"
@@ -25,19 +26,26 @@ let
     # "postgres"
     # "news"
   ];
-
-  host = "status.forkos.org";
   port = 3001;
 in
 {
   imports = [ "${inputs.stateless-uptime-kuma}/nixos/module.nix" ];
+
+  options.bagel.uptime-kuma = {
+    enable = lib.mkEnableOption "the status page service (uptime-kuma)";
+    domain = lib.mkOption {
+      type = lib.types.str;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
     nixpkgs.overlays = [ (import "${inputs.stateless-uptime-kuma}/overlay.nix") ];
 
     services.uptime-kuma.enable = true;
 
     services.nginx = {
       enable = true;
-    virtualHosts.${host} = {
+      virtualHosts.${cfg.domain} = {
         enableACME = true;
         forceSSL = true;
         locations."/" = {
@@ -82,4 +90,5 @@ in
       passwordFile = config.age.secrets."stateless-uptime-kuma-password".path;
       enableService = true;
     };
+  };
 }