Bump go and go-toolset to 1.21 (#93) #532

	---
	name: Build and Publish

	on:
	push:
	branches:
	- redhat- # IMPORTANT! this must match the jobs.build-and-publish.env.BRANCH_PREFIX (save the ).

	workflow_dispatch:
	# Allows you to run this workflow manually from the Actions tab
	inputs:
	tag:
	description: 'Tag to attach to image'
	required: true

	jobs:
	build-and-publish:
	name: Publish container image
	env:
	BRANCH_PREFIX: redhat- # IMPORTANT! this must match the .on.push.branches prefix!
	REGISTRY: quay.io/projectquay
	REPO_NAME: ${{ github.event.repository.name }}
	TAG_SUFFIX: -unstable
	runs-on: 'ubuntu-latest'
	steps:
	- name: Check out the repo
	uses: actions/checkout@v2

	- name: Set version from branch name
	id: version-from-branch
	if: startsWith('env.BRANCH_PREFIX', env.GITHUB_REF)
	run: \|
	BRANCH_NAME=${GITHUB_REF#refs/heads/}
	echo "::set-output name=version::${BRANCH_NAME/${{ env.BRANCH_PREFIX }}/}"

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

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

	- name: Login to Quay.io
	uses: docker/login-action@v1
	with:
	registry: quay.io
	username: ${{ secrets.QUAY_USER }}
	password: ${{ secrets.QUAY_TOKEN }}

	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	env:
	TAG: ${{ steps.version-from-branch.outputs.version }}${{ env.TAG_SUFFIX }}
	with:
	platforms: linux/amd64,linux/s390x,linux/ppc64le
	build-args: BUILDER_SRC=github.com/quay/quay-builder
	push: true
	file: Dockerfile
	tags: ${{ env.REGISTRY }}/${{ env.REPO_NAME }}:${{ github.event.inputs.tag \|\| env.TAG }}

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