Configure secrets for restic backup

marauder/backup.nix

@@ -1,4 +1,4 @@
-{ pkgs, config, ... }:
+{ pkgs, config, secrets, ... }:
 {
   environment.systemPackages = with pkgs; [
     restic
@@ -24,6 +24,14 @@
     };
   };
 
+  environment.etc = {
+    "restic-env".text = ''
+      export B2_ACCOUNT_ID="${secrets.b2.accountId}"
+      export B2_ACCOUNT_KEY="${secrets.b2.accountKey}"
+    '';
+    "restic-password".text = secrets.restic.password;
+  };
+
   services.restic.backups = {
     b2 = {
       initialize = true;