how to enter the command line of a running docker container code example
Example 1: docker access container
docker exec -it <mycontainer> bash
docker exec -it <mycontainer> sh ##for alpineExample 2: docker attach
docker attach [OPTIONS] CONTAINERdocker exec -it <mycontainer> bash
docker exec -it <mycontainer> sh ##for alpinedocker attach [OPTIONS] CONTAINER