add linux/riscv64 release (#2173) #307

	name: 'ghcr'

	on:
	push:
	branches:
	- "master"
	- "stable"
	tags:
	- 'v*'

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout Git repository
	uses: actions/checkout@v3

	- name: Authenticate to container registry
	uses: docker/login-action@v2
	if: github.event_name != 'pull_request'
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Setup Docker buildx driver
	id: buildx
	uses: docker/setup-buildx-action@v2

	- name: Build and publish image
	uses: docker/build-push-action@v3
	with:
	context: .
	push: ${{ github.event_name != 'pull_request' }}
	platforms: linux/amd64,linux/arm64
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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