cache testing: yarn onloy

.drone.yml

@@ -10,6 +10,14 @@ trigger:
 steps:
   - name: build
     image: node
+    # volumes:
+    #   - name: cache
+    #     path: /tmp/cache
     commands:
       - yarn install
-      - yarn build
+      # - yarn build
+
+# volumes:
+#   - name: cache
+#     host:
+#       path: /mnt/user/dronecache