Update build-deb-push.yml #70

	name: Docker image build and push

	on:
	push:
	paths:
	- docker/**


	env:
	# Use docker.io for Docker Hub if empty
	REGISTRY: ghcr.io
	# github.repository as <account>/<repo>
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	# define job to build and publish docker image
	build-and-push-docker-image:
	name: Build Docker image and push to repositories
	# run only when code is compiling and tests are passing
	runs-on: ubuntu-latest

	# steps to perform in job
	steps:
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2

	# setup Docker buld action
	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v2
	with:
	platforms: linux/amd64, linux/arm64, linux/arm/v7

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

	- name: Build image and push to Docker Hub and GitHub Container Registry
	uses: docker/build-push-action@v4
	with:
	# relative path to the place where source code with Dockerfile is located
	context: "{{defaultContext}}:docker"
	# Note: tags has to be all lower-case
	tags: \|
	ghcr.io/calaos/debian_deb_build_base:latest
	ghcr.io/calaos/debian_deb_build_base:${{ github.sha }}
	push: ${{ github.ref == 'refs/heads/main' }}
	platforms: linux/amd64, linux/arm64, linux/arm/v7

	- name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}

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