avoid using lupine-4 for gitea actions

base/services/acme.nix

@@ -2,7 +2,7 @@
 {
   security.acme = {
     acceptTerms = true;
-    defaults.email = "drift@pvv.ntnu.no";
+    defaults.email = "acme-drift@pvv.ntnu.no";
   };
 
   # Let's not spam LetsEncrypt in `nixos-rebuild build-vm` mode:

hosts/lupine/configuration.nix

@@ -1,12 +1,11 @@
-{ fp, values, lupineName, ... }:
+{ fp, values, lib, lupineName, ... }:
 {
   imports = [
     ./hardware-configuration/${lupineName}.nix
 
     (fp /base)
-
-    ./services/gitea-runner.nix
-  ];
+    # lupine-4 does not have enough ram for running nix flake check
+  ] ++ lib.optionals (lupineName != "lupine-4")  [ ./services/gitea-runner.nix ];
 
   sops.defaultSopsFile = fp /secrets/lupine/lupine.yaml;