nvidia-docker run -i-p{PSERVER_PORT}:{PSERVER_PORT}-e"SERVER_ENDPOINT={SERVER_ENDPOINT}"-e"MASTER_ENDPOINT={MASTER_ENDPOINT}"-e"TASK_NAME={TASK_NAME}"-e"TRAINING_ROLE=PSERVER"-e"TRAINERS={TRAINER_COUNT}"-e"PSERVER_HOSTS={PSERVER_HOSTS}"-e"PSERVERS={PSERVER_HOSTS}"{DOCKER_IMAGE}{COMMAND}