Helper Docker functions

docker-helpers.ps1

# remove docker images by tag, default is *none*. *blah* to remove those with tags similar to "blah"
function __dockerRemoveImageByTag__ {
  param( [string]$tag = "*none*" )
  docker images -a | ForEach-Object {
    If($_ -like $tag) {
      Write-Output $_
      docker rmi -f $($_.Split('', [System.StringSplitOptions]::RemoveEmptyEntries)[2]) 2> $null
    }
  }
}
Set-Alias docker-remove-image-by-tag __dockerRemoveImageByTag__;

# clean-up docker images/containers/volumes etc in 1 command
function __dockerCleanup__ {
  docker container prune -f;
  docker image prune -f;
  docker rmi $(docker images --quiet --filter "dangling=true");
  docker volume prune -f ;
  docker system prune -f;
}
Set-Alias docker-cleanup __dockerCleanup__;

docker-remove-by-keyword.sh

#!/bin/bash
if [ "$1" == "-h" ]; then
  echo "Usage: `basename $0` 1.0 would remove all images with 1.0 in name/tag"
  exit 0
fi
docker images -a | grep $1 | awk '{print $3}' | xargs docker rmi

docker-remove-older-than-4-month-images.sh

#!/bin/sh
docker images -a --no-trunc --format '{{.ID}} {{.CreatedSince}}' \
| grep ' months' | awk '{ print $1 }' \
| xargs --no-run-if-empty docker rmi;