$ mv [user_pub_key_path] [project_path]/Docker
$ mv [user_priv_key_path] [project_path]/Docker
# take your priv_key and pub_key to Docker directory
$ chmod +x team4.sh
$ docker build -t onion .
$ docker run -v `pwd`:/root/mount -e OPT="[program argument]" -i -t onion
This command mount pwd to /root/mount.