dbash: docker bash alias with autocompletion

function dbash() { docker exec -it "$1" bash; }
_dbash() { cur="${COMP_WORDS[COMP_CWORD]}"; __docker_complete_containers_running; }
complete -F _dbash dbash
 
# automatically login as www-data user
function dbashwww() { docker exec -it "$1" su -s /bin/bash www-data; }
complete -F _dbash dbashwww