Reference sa-learn with the full path

modules/docker-mailserver/default.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ inputs }: { config, pkgs, ... }:
 let
   mailserver-setup = (pkgs.writeScriptBin "mailserver-setup"
     "${builtins.readFile (pkgs.fetchurl {
@@ -31,7 +31,7 @@ in
       volumes = [
         "/etc/localtime:/etc/localtime:ro"
         "/var/lib/acme/mail.zweili.org:/etc/letsencrypt/live/mail.zweili.org:ro"
-        "./sa-learn:/etc/cron.d/sa-learn"
+        "${inputs.self}/modules/docker-mailserver/sa-learn:/etc/cron.d/sa-learn"
       ];
       extraOptions = [
         ''--mount=type=volume,source=maildata,target=/var/mail,volume-driver=local,volume-opt=type=nfs,volume-opt=device=:/server_data/docker-mailserver/maildata,"volume-opt=o=addr=10.7.89.108,rw,nfsvers=4.0,nolock,hard,noatime"''

systems/mail/default.nix

@@ -12,7 +12,7 @@
       domain = "mail.zweili.org"; inherit inputs;
     })
     (import "${inputs.self}/modules/docker" { inherit custom; })
-    "${inputs.self}/modules/docker-mailserver"
+    (import "${inputs.self}/modules/docker-mailserver" { inherit inputs; })
     "${inputs.self}/modules/mariadb"
   ];
 }