Building and Publishing to GitHub #16

	# This Github Action will build and publish images to github registry automatically.
	# The image version can be either `latest` from the main branch or a tag whenever a tag is created.

	name: Building and Publishing to GitHub

	on:
	push:
	branches:
	- main
	create:
	# Publish semver tags as releases.
	tags: [ 'v..*' ]

	permissions:
	contents: read
	packages: write

	env:
	REGISTRY: ghcr.io
	IMAGE_VERSION: latest

	GO_VERSION: '1.22.4'

	jobs:
	export-registry:
	runs-on: ubuntu-20.04
	outputs:
	registry: ${{ steps.export.outputs.registry }}
	steps:
	- id: export
	run: \|
	# registry must be in lowercase
	echo "::set-output name=registry::$(echo "${{ env.REGISTRY }}/${{ github.repository }}" \| tr [:upper:] [:lower:])"
	publish-images:
	needs: export-registry
	env:
	REGISTRY: ${{ needs.export-registry.outputs.registry }}
	runs-on: ubuntu-20.04
	steps:
	- name: Set up Go ${{ env.GO_VERSION }}
	uses: actions/setup-go@v5
	with:
	go-version: ${{ env.GO_VERSION }}
	- uses: actions/checkout@v4
	- name: Set image version for a new release
	if: startsWith(github.ref, 'refs/tags/')
	run: \|
	echo "IMAGE_VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
	- name: Login to ${{ env.REGISTRY }}
	uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Build and push controller manager images to registry
	run: \|
	make push
	env:
	REGISTRY: ${{ env.REGISTRY}}
	TAG: ${{ env.IMAGE_VERSION }}

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