Build Ubuntu 20.04 Image #127

	name: Build Ubuntu 20.04 Image

	on:
	push:
	branches:
	- main
	paths:
	- 'ubuntu-20.04/*'
	- '.github/workflows/build-ubuntu-20.04.yml'
	pull_request:
	workflow_dispatch:
	schedule:
	- cron: '30 12 * * 5'

	concurrency:
	# SHA is added to the end if on `main` to let all main workflows run
	group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == 'refs/heads/main' && github.sha \|\| '' }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Set up Docker Context for Buildx
	id: buildx-context
	run: \|
	docker context create builders

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

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	with:
	version: latest
	endpoint: builders

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

	- name: Login to DockerHub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_PAT }}

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: \|
	chianetwork/ubuntu-20.04-builder
	tags: \|
	type=raw,value=latest,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
	type=sha,format=long

	- name: Build Docker Container
	uses: docker/build-push-action@v4
	with:
	context: ./ubuntu-20.04
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ steps.meta.outputs.tags }}

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