diff --git a/.github/workflows/deploy-image.yml b/.github/workflows/deploy-image.yml
index adfa129..e5fe501 100644
--- a/.github/workflows/deploy-image.yml
+++ b/.github/workflows/deploy-image.yml
@@ -55,6 +55,6 @@ jobs:
         with: 
           package-name: 'chatgpt-on-wechat'
           package-type: 'container'
-          min-versions-to-keep: 2
+          min-versions-to-keep: 10
           delete-only-untagged-versions: 'true'
           token: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..9d3bbb7
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,3 @@
+FROM ghcr.io/zhayujie/chatgpt-on-wechat:latest
+
+ENTRYPOINT ["/entrypoint.sh"]
\ No newline at end of file