fix: set IMAGE_NAME to lowercase #14

	#######################################################
	### example for Github Container Registry (ghcr.io)
	###
	### Your container image name will be:
	### ghcr.io/<github-account>/<repo-name>:latest
	###
	#######################################################
	#######################################################

	name: "Docker build & push"

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	on:
	pull_request:
	types: [closed]
	push:
	workflow_dispatch:

	env:
	REGISTRY: ghcr.io

	jobs:
	docker-build-push:
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read

	steps:
	- name: Set vars
	run: \|
	echo "IMAGE_NAME=${GITHUB_REPOSITORY,,}:latest" >>${GITHUB_ENV}

	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

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

	- name: Log in to the Container registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: "Build and push Docker image"
	uses: docker/build-push-action@v6
	with:
	push: true
	tags: ${{ env.REGISTRY }}/${{env.IMAGE_NAME}}
	build-args: \|
	BOT_NAME=${{ github.repository_owner }}-${{ github.event.repository.name }}

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