refactor: create standalone outline module

hosts/brim/configuration.nix

@@ -136,6 +136,8 @@ in
       package = pkgs.postgresql_16;
     };
 
+    outline.enable = true;
+
     caddy = {
       enable = true;
       adapter = "caddyfile";
@@ -198,11 +200,7 @@ in
     };
   };
 
-  # TODO: refactor into separate module?
   systemd.services.outline = {
-    wantedBy = [ "multi-user.target" ];
-    after = [ "network.target" ];
-
     environment = {
       NODE_ENV = "production";
 
@@ -231,26 +229,11 @@ in
     restartTriggers = [ config.sops.templates."outline.env".file ];
 
     serviceConfig = {
-      Type = "exec";
-      ExecStart = "${pkgs.outline}/bin/outline-server";
-      WorkingDirectory = "${pkgs.outline}/share/outline";
-
       EnvironmentFile = config.sops.templates."outline.env".path;
-
-      Restart = "always";
-
-      DynamicUser = true;
       SupplementaryGroups = [
         config.users.groups.postgres.name
         config.services.redis.servers.outline.user
       ];
-
-      UMask = "0007";
-
-      StateDirectory = "outline";
-      StateDirectoryMode = "0750";
-      RuntimeDirectory = "outline";
-      RuntimeDirectoryMode = "0750";
     };
   };
 

modules/outline.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.services.outline;
+in
+{
+  options.services.outline = {
+    enable = lib.mkEnableOption "Outline";
+    package = lib.mkPackageOption pkgs "outline" { };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.outline = {
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      serviceConfig = {
+        Type = "exec";
+        ExecSearchPath = lib.makeBinPath [ cfg.package ];
+        ExecStart = "outline-server";
+        WorkingDirectory = "${cfg.package}/share/outline";
+        Restart = "always";
+        DynamicUser = true;
+        UMask = "0007";
+        StateDirectory = "outline";
+        StateDirectoryMode = "0750";
+        RuntimeDirectory = "outline";
+        RuntimeDirectoryMode = "0750";
+      };
+    };
+  };
+}

nixos-system.nix

@@ -20,6 +20,7 @@ let
     ./modules/btrfs-erase-your-darlings.nix
     ./modules/trust-admins.nix
     ./modules/mcactivity.nix
+    ./modules/outline.nix
     ./modules/flood.nix
     ./modules/jellyfin.nix
     ./modules/minio.nix
@@ -36,6 +37,7 @@ let
     "services/misc/radarr.nix"
     "services/misc/sonarr.nix"
     "services/torrent/transmission.nix"
+    "services/web-apps/outline.nix"
     "services/web-servers/minio.nix"
   ];