Build daily 'master' images for Docker #616

	name: Build daily 'master' images for Docker

	on:
	schedule:
	- cron: '59 23 * * *'

	concurrency:
	group: ${{ github.ref }}
	cancel-in-progress: true

	jobs:
	docker_daily_master:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	steps:
	- name: Custom variables
	id: vars
	run: \|
	# To package a specific git commit, the date of the commit gets
	# appended to the latest release, e.g. 1.0.0_git20180204.
	# This is the requirement by APKBUILD (abuild).
	# More details: https://wiki.alpinelinux.org/wiki/APKBUILD_Reference.
	echo ::set-output name=date::$(date +'%Y%m%d')

	- name: Checkout
	uses: actions/checkout@v3
	with:
	ref: master

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

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

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

	- name: Build and push
	uses: docker/build-push-action@v3
	with:
	context: .
	file: ./docker/alpine/Dockerfile
	push: true
	tags: ${{ secrets.DOCKERHUB_USERNAME }}/frr:master
	build-args: PKGVER=${{ steps.vars.outputs.date }}
	platforms: linux/amd64,linux/arm64,linux/arm/v7

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