Volume Commands
- $ docker rm [container id] - removes container, not volume (b/c mult cont)
- $ docker rm -v [container id] - removes container AND volume (but local file remains)
(only delete volume when ALL containers are done using it)
- $ docker volume - list all volume commands
- $ docker volume ls - lists all volumes
- $ docker volume rm
docker volume ls -q -f dangling=true
- remove all dangling volumes