inital config

modules/persistence.nix

@@ -0,0 +1,25 @@
+{ ... }:
+
+{
+  fileSystems."/persist".neededForBoot = true;
+
+  environment.persistence."/persist" = {
+    hideMounts = true;
+
+    directories = [
+      {
+        directory = "/home/user/nixos-config";
+        user = "user";
+        group = "users";
+      }
+
+      "/var/lib/nixos"
+    ];
+
+    files = [
+      "/etc/machine-id"
+      "/etc/ssh/ssh_host_ed25519_key"
+      "/etc/ssh/ssh_host_ed25519_key.pub"
+    ];
+  };
+}