you can separates the environment variable depends on environtment (dev, stg, prod..).
docker
# process list
docker ps -a
# connect the container
# -i interactive mode
# -t activate virtual device
# `$ docker attach {container}` can attach also but you exit container then container are stopped at the same time. because you attach PID=1 with standard input and output in container.
docker exec -it --user root {container_id} /bin/bash
# exec command on container
docker exec {container_id} {command}
# stop container
docker stop {container_id}
# run all containers
docker restart $(docker…