add guide on how to build container images

Signed-off-by: Benjamin Wang <wachao@vmware.com>
ahrtr · Apr 23, 2023 · 8200bff · 8200bff
1 parent 9f70765
commit 8200bff
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diff --git a/README.md b/README.md
@@ -176,5 +176,11 @@ $ ./etcd-defrag --endpoints http://127.0.0.1:22379 --cluster --defrag-rule="dbSi
 ## Contributing
 Any contribution is welcome!
 
+## Container image
+Currently only binaries are released. If you need container image(s), please build them yourself using command something like below,
+```
+$ DOCKER_BUILDKIT=1 docker build -t "etcd-defrag:${VERSION}" -f Dockerfile.${GOARCH} .
+```
+
 ## Note
 Please ensure running etcd on a version >= 3.5.6, and read [Two possible data inconsistency issues in etcd](https://groups.google.com/g/etcd-dev/c/8S7u6NqW6C4) to get more details.