Merge pull request #315 from phoracek/go-121 #5

	name: "Push images on merge to main"

	env:
	IMAGE_NAME: ghcr.io/${{ github.repository }}-plugin
	BUILD_PLATFORMS: linux/amd64,linux/arm64,linux/ppc64le

	on:
	push:
	branches:
	- main

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	steps:
	- name: Check out the repo
	uses: actions/checkout@v4

	# Add support for more platforms with QEMU (optional)
	# https://github.com/docker/setup-qemu-action
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Login to Docker
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Docker meta
	id: docker_meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.IMAGE_NAME }}

	- name: Prepare version file
	run: ./hack/get_version.sh > .version

	- name: Build and push container image
	uses: docker/build-push-action@v5
	with:
	context: .
	push: true
	# no need to explicitly set goarch,
	# correct arch will be selected for each build platform
	build-args: \|
	goarch=
	platforms: ${{ env.BUILD_PLATFORMS }}
	tags: \|
	${{ env.IMAGE_NAME }}:latest
	${{ env.IMAGE_NAME }}:${{ github.sha }}
	file: ./cmd/Dockerfile
	labels: ${{ steps.docker_meta.outputs.labels }}

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