clean #4

	---
	name: Build a Docker image
	on:
	push:
	branches:
	- 'main'
	pull_request:
	branches:
	- 'main'

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}
	IMAGE_TAG: 1.33.0.${{ github.run_number }}

	jobs:
	hadolint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- uses: hadolint/hadolint-action@v3.1.0
	with:
	dockerfile: Dockerfile

	build-image:
	runs-on: ubuntu-latest
	needs:
	- hadolint
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	tags: \|
	type=ref,event=branch
	type=ref,event=pr
	type=semver,pattern={{version}},value=${{ env.IMAGE_TAG }}

	push-image:
	runs-on: ubuntu-latest
	needs:
	- build-image
	steps:
	- name: Build and export
	uses: docker/build-push-action@v4
	with:
	context: .
	pull: true
	push: false
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	outputs: type=docker,dest=/tmp/ktg-latest.tar

	- name: Push image
	run: \|
	docker push --all-tags ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

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