diff --git a/README.markdown b/README.markdown
index 19fd8d7..ddf39d3 100644
--- a/README.markdown
+++ b/README.markdown
@@ -49,6 +49,16 @@ docker run --rm -it -e REDIS_1_HOST=myredis.host -e REDIS_1_NAME=MyRedis -p 80:8
 ```
 Also, a Docker Compose manifest with a stack for testing and development is provided. Just issue ```docker-compose up --build``` to start it and browse to http://localhost. See ```docker-compose.yml``` file for configuration details.
 
+Environment variables summary
+====
+
+* ``REDIS_1_HOST`` - define host of the Redis server
+* ``REDIS_1_NAME`` - define name of the Redis server
+* ``REDIS_1_PORT`` - define port of the Redis server
+* ``REDIS_1_AUTH`` - define password of the Redis server
+* ``ADMIN_USER`` - define username for user-facing Basic Auth
+* ``ADMIN_PASS`` - define password for user-facing Basic Auth
+
 TODO
 ====