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Script to delete exited containers and untagged/unused images from docker
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#!/bin/bash | |
set -o errexit | |
echo "Removing exited docker containers..." | |
docker ps -a -f status=exited -q | xargs -r docker rm -v | |
echo "Removing dangling images..." | |
docker images --no-trunc -q -f dangling=true | xargs -r docker rmi | |
echo "Removing unused docker images" | |
images=($(docker images --digests | tail -n +2 | awk '{ img_id=$1; if($2!="<none>")img_id=img_id":"$2; if($3!="<none>") img_id=img_id"@"$3; print img_id}')) | |
containers=($(docker ps -a | tail -n +2 | awk '{print $2}')) | |
containers_reg=" ${containers[*]} " | |
remove=() | |
for item in ${images[@]}; do | |
if [[ ! $containers_reg =~ " $item " ]]; then | |
remove+=($item) | |
fi | |
done | |
remove_images=" ${remove[*]} " | |
echo ${remove_images} | xargs -r docker rmi | |
echo "Done" |
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