From 4445ea77b3fe13ff3996cba71ba937deddca98a3 Mon Sep 17 00:00:00 2001
From: rozetko <rozetko09@gmail.com>
Date: Tue, 22 May 2018 23:34:53 +0300
Subject: [PATCH] Update readme

---
 README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5a03b5a..e1faa25 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,11 @@ see [REST API](REST.md)
 
 ### Docker
 
-Example running hastic-server in Docker:
+First of all, you should generate [API key](http://docs.grafana.org/tutorials/api_org_token_howto/) in your Grafana instance.
+
+Without API key hastic-server will not be able to use your datasources.
+
+Example of running hastic-server in Docker:
 
 ```
 docker build -t hastic-server .