Backup database to S3

secrets.nix.example

@@ -3,6 +3,15 @@
     ""
   ];
 
+  backup = {
+    password = "";
+    accessKey = "";
+    secretKey = "";
+    host = "";
+    hostBucket = "";
+    bucket = "";
+  };
+
   peertube = {
     secret = "";
     db = {