feat: add terragrunt.Dockerfile #66

	name: Container Image Packages

	on:
	push:
	paths:
	- dockerfiles/*
	branches:
	- main

	jobs:
	changes:
	name: Dockerfile changes
	runs-on: ubuntu-latest
	outputs:
	dockerfiles: ${{ steps.filter.outputs.dockerfiles_files }}
	dockerfiles_changed: ${{ steps.filter.outputs.dockerfiles }}
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- uses: dorny/paths-filter@v2
	id: filter
	with:
	list-files: json
	filters: \|
	dockerfiles:
	- added\|modified: 'dockerfiles/*.Dockerfile'
	- name: Generate Markdown Summary
	run: \|
	echo New/modified Dockerfiles: ${{ steps.filter.outputs.dockerfiles_files }} >> $GITHUB_STEP_SUMMARY

	ghcr:
	needs: [changes]
	if: ${{ needs.changes.outputs.dockerfiles_changed == 'true' }}
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	strategy:
	matrix:
	image: ${{ fromJson(needs.changes.outputs.dockerfiles) }}
	steps:
	- name: checkout
	uses: actions/checkout@v3

	- name: GHCR Login
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- id: image-tag # example output: "ghcr.io/kestra-io/pydata:latest"
	run: \|
	export IMAGE=$(basename ${{ matrix.image }} .Dockerfile)
	echo "image_url=ghcr.io/kestra-io/$IMAGE:latest" >> $GITHUB_OUTPUT
	echo "file=${{ matrix.image }}" >> $GITHUB_OUTPUT

	- name: Build and push Docker image
	uses: docker/build-push-action@v4
	with:
	context: .
	push: true
	tags: ${{ steps.image-tag.outputs.image_url }}
	file: ${{ steps.image-tag.outputs.file }}

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