this might do it

.drone.yml

@@ -12,13 +12,14 @@ steps:
   - apk add hugo
   - hugo
 - name: publish
-  image: alpine:3
+  image: drillster/drone-rsync
-  volumes:
+  settings:
-  - name: blog
+    key:
-    path: /mnt/blog/
+      from_secret: blog_sync_key
-  commands:
+    user: blog
-  - cp -r public/* /mnt/blog/
+    delete: true
-volumes:
+    recursive: true
-- name: blog
+    hosts: ["blog.ndumas.com"]
-  host:
+    source: ./public/
-    path: /var/www/blog.ndumas.com
+    target: /var/www/blog.ndumas.com
+    include: ["*"]