Docker push for latest #61598

	name: Docker push for latest

	on:
	push:
	branches:
	- master
	release:
	types: [published]
	schedule:
	- cron: '/30 * * *'

	jobs:
	build_and_push:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	- run: git fetch --unshallow
	- name: Get latest tag
	id: latest_tag
	run: ruby -e 'puts("latest_tag=v#{`git tag`.each_line.map{\|l\| begin Gem::Version::new(l.sub(/^v/, "")); rescue; nil end}.compact.max.to_s}")' >> $GITHUB_OUTPUT
	- name: Checkout latest tag
	run: \|
	set -eu
	echo "Latest tag: ${{ steps.latest_tag.outputs.latest_tag }}"
	git reset --hard ${{ steps.latest_tag.outputs.latest_tag }}
	git status
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	- name: Login to DockerHub
	uses: docker/login-action@v3
	with:
	username: nwtgck
	password: ${{ secrets.DOCKER_HUB_TOKEN }}
	- name: Build and push
	uses: docker/build-push-action@v5
	with:
	context: .
	platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
	push: true
	tags: nwtgck/piping-server:latest,nwtgck/piping-server:${{ steps.latest_tag.outputs.latest_tag }}

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