ci: setup ci docker build and push #12

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	list-dockerfiles:
	runs-on: ubuntu-latest

	outputs:
	matrix: ${{ steps.set-matrix.outputs.matrix }}

	steps:
	- uses: actions/checkout@v4

	- id: set-matrix
	run: echo "matrix=$(find . -type f -name 'Dockerfile' -exec dirname {} \; \| sort -u \| jq -R -s -c 'split("\n")[:-1]')" >> $GITHUB_OUTPUT

	docker-build:
	needs: list-dockerfiles
	runs-on: ubuntu-latest

	permissions:
	packages: write

	strategy:
	fail-fast: false
	matrix:
	dockerfile: ${{ fromJson(needs.list-dockerfiles.outputs.matrix) }}

	steps:
	- uses: actions/checkout@v4

	- name: Create Docker Image name
	id: create-image-name
	run: echo "image=ghcr.io/emmanuelgautier/awesome-dockerfiles/$(echo ${{ matrix.dockerfile }} \| awk -F'/' '{print $NF}'):latest" >> $GITHUB_OUTPUT

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push
	uses: docker/build-push-action@v5
	with:
	context: ${{ matrix.dockerfile }}
	push: ${{ github.ref == 'refs/heads/main' }}
	tags: ${{ steps.create-image-name.outputs.image }}
	cache-from: type=registry,ref=${{ steps.create-image-name.outputs.image }}
	cache-to: type=inline

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