Remove old unused docker containers and images

gistfile1.sh

#!/usr/bin/env bash

# remove old unused docker containers
docker rm $(docker ps -a | grep -v latest | grep -v CONTAINER | awk '{print $1}')

# remove old unused docker images
docker rmi $(docker images -a | grep '<none>' | awk '{print $3}')

# Delete all stopped containers
docker rm $(docker ps -a -q)
 
# Remove unused, dangling images
docker rmi $(docker images -q -f dangling=true)
 
# Remove all but X images with a specific name (old image cleanup),
# in this case, we leave the 2 newest images.
$(docker images | grep my-docker-image | tail -n+3 | awk '{ print $1":"$2; }')
 
# Specific commands for Elastic Beanstalk
EB_CURRENT_CONTAINER=$(docker ps | grep current-app | awk '{ print $1}')
 
# Show logs for the current running deployment
docker logs $EB_CURRENT_CONTAINER
 
# Jump into the current running container. This gives you an 
# interactive shell within the same container as the currently
# running 'current-app'. The command will fail if no container
# with that name is currently running.
docker exec -it $EB_CURRENT_CONTAINER /bin/bash