docker interactive shell
docker exec -it [containerid/name] [shell]
#Example
docker exec -it fa80b69 bash
#if its an apline container use "sh" instead of "bash"
container de pornire docker
$ docker start my_container
comanda de rulare docker pe container
sudo docker exec -it <container name> <command>
docker atașează
docker attach [OPTIONS] CONTAINER
docker cum să rulați containerul existent
docker start <container-name/ID>