docs: add nydusify copy usage

Signed-off-by: Yan Song <yansong.ys@antgroup.com>
imeoer · Aug 25, 2023 · d9f8fa9 · d9f8fa9
1 parent e4339ee
commit d9f8fa9
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/docs/nydusify.md b/docs/nydusify.md
@@ -191,6 +191,15 @@ nydusify mount \
   --backend-config-file /path/to/backend-config.json
 ```
 
+## Copy image between registry repositories
+
+``` shell
+nydusify copy \
+  --source myregistry/repo:tag-nydus \
+  --target myregistry/repo:tag-nydus-copy
+```
+
+It supports copying OCI v1 or Nydus images, use the options `--all-platforms` / `--platform` to copy the images of specific platforms.
 
 ## More Nydusify Options