Fix Ubuntu 20 Image build (#315) #293

	name: Dockerfiles check

	on:
	push:
	paths:
	- 'dockerfiles/*/ockerfile'
	pull_request:
	paths:
	- 'dockerfiles/*/ockerfile'

	permissions: read-all

	jobs:
	hadolint_check:
	runs-on: ubuntu-20.04
	steps:
	- name: Code checkout
	uses: actions/checkout@v2
	- name: Run hadolint dockerfiles check
	shell: bash
	run: \|
	set -o pipefail
	has_issues=0
	while IFS= read -r -d '' dockerfile
	do
	echo "Scanning $dockerfile"
	docker run --rm -i hadolint/hadolint:latest hadolint \
	--ignore DL3059 \
	--ignore DL3006 \
	--ignore DL3008 \
	- < "$dockerfile" \| tee "${dockerfile}".log \|\| has_issues=1
	grep -in proxy "$dockerfile" \| tee -a "${dockerfile}".log && has_issues=1 \|\| true
	echo
	name=$(echo "$dockerfile" \| grep -oP '(?<=dockerfiles/).*' \| tr / _)
	cp "$dockerfile" "$name"
	cp "$dockerfile".log "${name}.log"
	done < <(find dockerfiles/ $ -name '*.dockerfile' -o -name 'Dockerfile' $ -print0)
	exit "$has_issues"
	- name: Collecting artifacts
	uses: actions/upload-artifact@v4
	if: ${{ always() }}
	with:
	name: hadolint_results
	path: \|
	./*.log
	./*ockerfile

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