SECRET_KEY_BASE is not required by development environment

README.md

@@ -7,7 +7,6 @@ To run this container use following parameters:
 ```bash
 docker run -d --name snibox \
               --volume /path/to/local/db:/app/db/database \
-              --env SECRET_KEY_BASE="<rails secret key>" \
               --publish 80:3000 \
               snibox
 ```
@@ -18,4 +17,4 @@ After first run you probably will see error due to database hasn't been initiali
 docker exec -ti <container_id> rack db:migrate
 ```
 
-This will create new database instance and Snibox is ready to go.
+This will create new database instance and Snibox is ready to go.