From fcf4e40a837d9d40574d5aca1599fbdf85ba5a92 Mon Sep 17 00:00:00 2001
From: Grimmer <grimmer0125@gmail.com>
Date: Wed, 9 May 2018 23:26:57 +0800
Subject: [PATCH] Update README.md

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index 4815128..e5e59d2 100644
--- a/README.md
+++ b/README.md
@@ -102,6 +102,14 @@ const client = new elasticsearch.Client({
 
 `AWS_ELASTICSEARCH_DOMAIN_ENDPOINT` could be found out in AWS dashboard. E.g. `https://search-searchgithub-XXXXXXXXXXXXXXXXXXXXXXXXXX.us-west-2.es.amazonaws.com`
 
+**use locally dockerized Elasticsearch**
+
+```
+docker run -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" grimmer0125/elasticsearch:2.3
+```
+
+Then use `http://localhost:9200` as the above `AWS_ELASTICSEARCH_DOMAIN_ENDPOINT` in the codes. 
+
 ### Deployment on Heroku
 
 Heroku' Redis add-on will automatically create the REDIS_URL as the environment config variable, shown in the dashboard setting page. The other variables needed to be added in the Heroku setting page. https://devcenter.heroku.com/articles/heroku-redis#configuring-your-instance indicates that its REDIS_URL may change at any time.