Docker images build and push #8

	---
	name: Docker images build and push

	on:
	workflow_dispatch:
	jobs:
	obtain-dockerfiles:
	runs-on: [self-hosted, linux, x64]
	container: ghcr.io/gem5/ubuntu-22.04_all-dependencies:latest

	steps:
	- uses: actions/checkout@v3
	with:
	# Scheduled workflows run on the default branch by default. We
	# therefore need to explicitly checkout the develop branch.
	ref: develop
	- uses: actions/upload-artifact@v3
	with:
	name: dockerfiles
	path: util/dockerfiles

	# This builds and pushes the docker image.
	build-and-push:
	runs-on: [self-hosted, linux, x64]
	needs: obtain-dockerfiles
	permissions:
	packages: write
	contents: read

	steps:
	- uses: actions/download-artifact@v3
	with:
	name: dockerfiles
	path: dockerfiles-docker-build

	- uses: docker/setup-qemu-action@v2
	name: Setup QEMU

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

	- uses: docker/login-action@v2
	name: Login to the GitHub Container Registry
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push with bake
	uses: docker/bake-action@v4
	with:
	workdir: ./dockerfiles-docker-build
	files: docker-bake.hcl
	push: true

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