chore: trying gnome again

config/instances/config/postfix.nix

@@ -0,0 +1,27 @@
+{ instancesFunctions }:
+let
+  inherit (instancesFunctions)
+    domain3
+    servicePath
+    sslPath
+    sopsPath
+    ;
+
+  postfixLabel = "Postfix";
+  postfixName = "postfix";
+in
+{
+  label = postfixLabel;
+  name = postfixName;
+  sops = {
+    path0 = "${sopsPath}/${postfixName}";
+  };
+  subdomain = postfixName;
+  paths = {
+    path0 = "${servicePath}/${postfixLabel}";
+  };
+  ssl = {
+    cert = "${sslPath}/${domain3}/fullchain.pem";
+    key = "${sslPath}/${domain3}/key.pem";
+  };
+}