Useful Docker hacks

docker-hacks

# Connect to shell on container with ability to exit out again
docker exec -ti <containerId> bash

# Copy from container out to host
docker cp <containerId>:/file/path/within/container /host/path/target

# Remove all Stopped containers
# -f is the filter flag
docker rm $(docker ps -aqf status=exited)

# Mount a shared filesystem
docker run -v /path/to/hostdir:/mnt <containerId>