enable backups for bookstack

modules/users/overseer/services/bookstack.nix

@@ -1,5 +1,9 @@
+let
+  volumePath = "/overseer/services";
+in
 {
   lib,
+  pkgs,
   config,
   ...
 }:
@@ -7,6 +11,22 @@ lib.mkIf config.user.overseer.enable {
     sops.secrets."bookstack/key" = {
         owner = "bookstack";
     };
+      
+  services.restic.backups.bookstack = {
+    user = "root";
+    timerConfig = {
+      OnCalendar = "daily";
+      Persistent = true;
+    };
+    backupPrepareCommand = "${pkgs.mariadb}/bin/mysqldump -u root bookstack > ${volumePath}/tmp/bookstack.sql";
+    backupCleanupCommand = "rm ${volumePath}/tmp/bookstack.sql";
+    paths = [
+        "/var/lib/bookstack"
+        "${volumePath}/tmp/bookstack.sql"
+    ];
+    repositoryFile = config.sops.secrets."restic/url".path;
+    passwordFile = config.sops.secrets."restic/key".path;
+  };
         
     services.bookstack = {
         enable = true;