Mounting drives exposed from agent

.woodpecker.yml

@@ -1,10 +1,21 @@
-# .woodpecker.yml
-pipeline:
-  backup:
-    image: alpine:latest
+volumes:
+  - name: obsidian
+    host:
+      path: /obsidian
+  - name: backup
+    host:
+      path: /backup
+
+steps:
+  nightly-backup:
+    image: alpine
+    volumes:
+      - name: obsidian
+        path: /obsidian
+      - name: backup
+        path: /backup
     commands:
-      # Create a timestamped archive of /data and drop it into /backup
-      - tar czf /backup/backup-$(date +%F-%H%M).tar.gz /obsidian
+      - tar czf /backup/obsidian-$(date +%F).tar.gz /obsidian
 
 # Run this pipeline on a cron schedule
 when:
@@ -13,3 +24,6 @@ when:
 when:
   event: [ cron ]
   cron: nightly-backup
+---
+  when:
+    event: [ push ]