This is a quick menu for starting bash on docker containers.
The "dialog" package is required, available from fine repositories everywhere:
brew install dialog
apt install dialog
If the year is 1995 and you're running Slackware, you probably already have it installed.
Stash the script somewhere handy and run when needed.
Create an alias for the ultimate in productivity:
alias db="bash ~/somewhere/docker-bash/docker-bash.sh"