diff --git a/README.md b/README.md
index 605aacf..fa503c7 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,12 @@ Django Backend
 * Start both middleware AND frontend dev server simultaneously
 * See README of subfolder for further information
 
+## Local testing
+Add to hostsfile:
+`127.0.0.1	rdg
+127.0.0.1	mongodb
+127.0.0.1	redis`
+
 
 ## Deploy Kubernetes Admin Dashboard
 
diff --git a/components/event_store/event_store_server.py b/components/event_store/event_store_server.py
index 1c815db..2832f3a 100644
--- a/components/event_store/event_store_server.py
+++ b/components/event_store/event_store_server.py
@@ -10,7 +10,7 @@ from flask_redis import Redis
 # see https://github.com/andymccurdy/redis-py
 
 app = Flask(__name__)
-app.config["REDIS_HOST"] = "localhost"
+app.config["REDIS_HOST"] = "redis"
 app.config["REDIS_PORT"] = 6379
 redis = Redis(app)