adjust dockerfile for docker group #16

	name: Build and Publish Docker Image

	on:
	workflow_dispatch:
	push:
	branches:
	- main
	pull_request:
	types:
	- closed
	branches:
	- main

	jobs:
	build-and-publish:
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read

	steps:
	- name: Set lower case owner name
	run: \|
	echo "OWNER_LC=${OWNER,,}" >>${GITHUB_ENV}
	env:
	OWNER: '${{ github.repository_owner }}'

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

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

	- name: Build and push Docker image
	uses: docker/[email protected]
	with:
	context: .
	push: true
	tags: ghcr.io/${{ env.OWNER_LC }}/${{ github.event.repository.name }}:latest

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