workflow: repo varaible fix #3

	name: 'Commit Build'

	on:
	push:
	branches:
	- 'main'
	- 'development'
	- 'rewrite'

	jobs:
	nightly:
	name: Build Docker Image
	runs-on: ubuntu-20.04

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Set up docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Login to Github Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUBPAT_TOKEN }}

	- name: Extract branch name
	shell: bash
	run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
	id: extract_branch

	- name: Lowercase Repository
	shell: bash
	run: echo "repo=${GITHUB_REPOSITORY@L}" >> $GITHUB_OUTPUT
	id: lowercase_repository

	- name: Build and Push
	uses: docker/build-push-action@v2
	with:
	context: .
	file: ./Dockerfile
	push: true
	tags: \|
	ghcr.io/${{ steps.extract_branch.outputs.repo }}:${{ steps.extract_branch.outputs.branch }}

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