Build and push Caddy image to Docker Hub and GitHub Container Registry #6

	# Author: Hung Vu
	# Granular action for only build and push caddy image
	name: Build and push Caddy image to Docker Hub and GitHub Container Registry

	on:
	workflow_dispatch:

	jobs:
	build-and-publish:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	# Seems like we need to checkout the repo first
	# because docker build push does not work for nested directories
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

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

	- name: Login to Docker Hub Container Registry
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

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

	- name: Extract metadata (tags, labels) for Docker images
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: \|
	docker.io/hunghvu/blogfolio-caddy
	ghcr.io/hunghvu/blogfolio-caddy

	# If we want to reference a subdir
	# https://github.com/docker/build-push-action/issues/528
	# https://github.com/docker/build-push-action/issues/888
	- name: Build and push
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ./infras/containers/caddy/Dockerfile
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	platforms: linux/amd64,linux/arm64

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