Automatic (outdated) images cleanup #9

	name: Cleanup Old Docker Images > 6 months by the scheduler

	on:
	schedule:
	- cron: '0 11 * * *'
	push:
	branches-ignore:
	- master

	jobs:
	cleanup:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Repository
	uses: actions/checkout@v2

	- name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: List Docker Hub images and delete ones matching the pattern
	run: \|
	REPO="spryker/php"
	curl -s "https://hub.docker.com/v2/repositories/${REPO}/tags?page_size=1000" > tags.json
	TODAY=$(date +%s)
	THRESHOLD=$((180 * 24 * 60 * 60)) # 180 days in seconds

	# Regex pattern to match tags that end with a hash (40-character hexadecimal)
	HASH_PATTERN=".*-[a-f0-9]{40}$"

	for TAG in $(jq -r '.results[] \| @base64' < tags.json); do
	_jq() {
	echo ${TAG} \| base64 --decode \| jq -r ${1}
	}

	TAG_NAME=$(_jq '.name')
	LAST_UPDATED=$(_jq '.last_updated')
	LAST_UPDATED_DATE=$(date -d "${LAST_UPDATED}" +%s)

	AGE=$((TODAY - LAST_UPDATED_DATE))

	if [[ ${AGE} -ge ${THRESHOLD} ]] && [[ ${TAG_NAME} =~ ${HASH_PATTERN} ]]; then
	echo "Deleting image tag ${TAG_NAME} (last updated: ${LAST_UPDATED})"
	fi

	if [[ ${IMAGES_DELETED} == false ]]; then
	echo "No images matching the pattern were found for deletion."
	fi
	done

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