docs: added etcd.conf.yml enable grpc gateway (#4275)

Co-authored-by: zhangyihan <zhangyihan@cmss.chinamobile.com>
apache · May 19, 2021 · 83436ee · 83436ee
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diff --git a/docs/en/latest/FAQ.md b/docs/en/latest/FAQ.md
@@ -306,6 +306,11 @@ Note this option is not shown in the output of `etcd --help`.
 }
 ```
 
+```yml
+# etcd.conf.yml
+enable-grpc-gateway: true
+```
+
 Indeed this distinction was eliminated by etcd in their master branch, but not backport to announced versions, so be care when deploy your etcd cluster.
 
 ## How to set up high available Apache APISIX clusters?

diff --git a/docs/zh/latest/FAQ.md b/docs/zh/latest/FAQ.md
@@ -307,6 +307,11 @@ etcd --enable-grpc-gateway --data-dir=/path/to/data
 }
 ```
 
+```yml
+# etcd.conf.yml
+enable-grpc-gateway: true
+```
+
 事实上这种差别已经在 etcd 的 master 分支中消除，但并没有向后移植到已经发布的版本中，所以在部署 etcd 集群时，依然需要小心。
 
 ## 如何创建高可用的 Apache APISIX 集群？