Easily attach to any docker container with choice. Put the script below in /usr/bin/dcattach chmod +x /usr/bin/dcattach

dcattach

#!/bin/bash

containers=($(sudo docker ps --format '{{.Names}}' | sort));

select container in "${containers[@]}"; do
  [ -z "$container" ] || sudo docker exec -it $container /bin/sh -c \
    "[ -x /bin/bash ] && /bin/bash || /bin/sh";
break; done;