cleanup vaultwarden container

containers/vaultwarden/default.nix

@@ -1,13 +1,13 @@
-{ ... }:
+{ lib, ... }:
 let
-  directories = [
-    "/opt/vaultwarden"
-  ];
   domain = "crypt.tdback.net";
   port = "11001";
+  directory = "/opt/vaultwarden";
 in
 {
-  systemd.tmpfiles.rules = map (x: "d ${x} 0755 share share - -") directories;
+  systemd.tmpfiles.rules =
+    map (x: "d ${x} 0755 share share - -") (lib.lists.singleton directory);
+
   virtualisation.oci-containers.containers.vaultwarden = {
     image = "vaultwarden/server:latest";
     autoStart = true;
@@ -15,7 +15,7 @@ in
       "${port}:80"
     ];
     volumes = [
-      "/opt/vaultwarden/data:/data"
+      "${directory}/data:/data"
     ];
     environment = {
       DOMAIN = domain;
@@ -25,7 +25,7 @@ in
     };
   };
 
-  services.caddy.virtualHosts."${domain}".extraConfig = ''
+  services.caddy.virtualHosts.${domain}.extraConfig = ''
     encode zstd gzip
     reverse_proxy http://localhost:${port} {
       header_up X-Real-IP {remote_host}