From 1cff38be432c8efe9c8be9469aabe7a2798359b3 Mon Sep 17 00:00:00 2001
From: beatzaplenty <wayne.bennett@live.com>
Date: Mon, 13 Jul 2026 12:12:58 +1000
Subject: [PATCH] add docker backup share

---
 modules/raspi/mount-data.nix | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/modules/raspi/mount-data.nix b/modules/raspi/mount-data.nix
index 0461c53..a4944ad 100644
--- a/modules/raspi/mount-data.nix
+++ b/modules/raspi/mount-data.nix
@@ -22,4 +22,26 @@ fileSystems."/mnt/raspi" = {
     "nfsvers=4.2"
   ];
 };
+
+fileSystems."/mnt/raspi-backup" = {
+  device = "raspberrypi.tail13f623.ts.net:/home/raspi/docker-data";
+  fsType = "nfs4";
+  options = [
+    "nofail"
+    "_netdev"
+    "noatime"
+
+    # Don't mount until first access
+    "x-systemd.automount"
+
+    # Unmount after 10 min idle
+    "x-systemd.idle-timeout=600"
+
+    # Give the Pi/Tailscale a little time to appear
+    "x-systemd.device-timeout=10s"
+
+    # Explicitly use NFSv4.2 if supported
+    "nfsvers=4.2"
+  ];
+};
 }
\ No newline at end of file