add drone-cache in drone CI config

hugobuild.drone.yml

@@ -7,6 +7,22 @@ clone:
   depth: 1
 
 steps: 
+  - name: restore-cache
+    image: meltwater/drone-cache
+    pull: true
+    settings:
+      backend: "filesystem"
+      restore: true
+      debug: true
+      cache_key: "volume"
+      archive_format: "gzip"
+      mount:
+        - 'vendor'
+    volumes:
+    - name: cache
+      path: /tmp/cache
+
+
   - name: build  
     image: inksoul/hugo-rsync
     depends_on: [clone] # 依赖的步骤，
@@ -17,7 +33,25 @@ steps:
       - hugo       
       - rsync -a --delete --exclude '.user.ini' public/ /data
 
+  - name: rebuild-cache
+    image: meltwater/drone-cache
+    pull: true
+    settings:
+      backend: "filesystem"
+      rebuild: true
+      debug: true
+      cache_key: "volume"
+      archive_format: "gzip"
+      mount:
+        - 'vendor'
+    volumes:
+    - name: cache
+      path: /tmp/cache
+
 volumes: #声明数据卷
   - name: blog
     host:
       path: /home/ubuntu/myWork/Blog/InkSoul/public
+  - name: cache
+    host:
+      path: /home/ubuntu/myWork/blogCachePath