Add NFS exports file; Improve syntax

server-0.yaml

@@ -37,6 +37,10 @@ systemd:
         [Install]
         WantedBy=multi-user.targetstorage:
 storage:
+  files:
+    - path: /etc/exports
+      contents:
+        inline: /storage-0 192.168.1.*(rw,sync) 
   disks:
     - device: /dev/disk/by-id/nvme-WD_Blue_SN570_500GB_22400V806157
       wipe_table: true
@@ -47,21 +51,22 @@ storage:
           label: swap
   filesystems:
     - path: /var
+      label: var
       device: /dev/disk/by-partlabel/var
       format: btrfs
-      wipe_filesystem: true
-      label: var
+      wipe_filesystem: false
       with_mount_unit: true
     - path: /swap
+      label: swap
       device: /dev/disk/by-partlabel/swap
       format: swap
       wipe_filesystem: true
       with_mount_unit: true
     - path: /storage-0
+      label: storage-0
       device: /dev/disk/by-partlabel/storage-0
       format: btrfs
       wipe_filesystem: false
-      label: storage-0
       with_mount_unit: true
   luks:
     - name: static-key