Bump docker/build-push-action from 2 to 5 #38

	name: Docker Lint

	on:
	pull_request:
	push:
	branches:
	- main

	permissions:
	contents: read

	jobs:
	docker-lint:
	runs-on: ubuntu-latest

	name: docker-lint

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Install hadolint
	run: \|
	sudo wget https://github.com/hadolint/hadolint/releases/latest/download/hadolint-Linux-x86_64 -O /usr/bin/hadolint
	sudo chmod +x /usr/bin/hadolint

	- name: run lint
	run: \|
	DOCKERFILES="$(find ./ -name Dockerfile)"
	mapfile -t DOCKERFILES <<< "$DOCKERFILES"
	for file in "${DOCKERFILES[@]}"; do
	# DL4006 warning: Set the SHELL option -o pipefail before RUN with a pipe in it. If you are using /bin/sh in an alpine image or if your shell is symlinked to busybox then consider explicitly setting your SHELL to /bin/ash, or disable this check
	hadolint "$file" --ignore DL4006 \| tee -a ./hadolint.log
	done
	if grep -q "DL[0-9]\+\\|SC[0-9]\+" ./hadolint.log; then
	exit 1
	fi

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