docker exec -it $DOCKER_ID /bin/bash -c ‘cd /packages/detectron && python tools/train.py’

docker exec -it 3d076c5ba6d8 -c ‘nginx -s reload’

docker exec -it 3d076c5ba6d8 ‘cat /etc/nginx/nginx.conf’

docker exec -it 3d076c5ba6d8 ‘ls /etc/nginx/‘