Merge pull request #27 from kwea123/master

modify docker launching commands

README.md

@@ -74,18 +74,22 @@ the environment within a separate container:
 ```
 # Start the container running your agent script.
 docker run \
+  --rm \
   --env OTC_EVALUATION_ENABLED=true \
   --network=host \
   -it obstacle_tower_challenge:latest ./run.sh
 
 # In another terminal window, execute the environment.
 docker run \
+  --rm \
   --env OTC_EVALUATION_ENABLED=true \
   --env OTC_DEMO_EVALUATION=true \
   --network=host \
   -it obstacle_tower_challenge:latest ./env.sh
 ```
 
+To use GPU, add the tag `--runtime=nvidia` after `docker run`.
+
 The environment script should output the evaluation state as it advances, recording overall state as well as the progress within each episode for seeds 101-105:
 ```json
 {"state":"PENDING","floor_number_avg":0.0,"reward_avg":-1.0,"episodes":[],"last_update":"2019-02-09T00:17:15Z"}