Just use href if link contains the http or https scheme #52

	name: Build and push Docker image

	on:
	push:
	branches:
	- master
	release:
	types:
	- published

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Get last commit
	id: last_commit
	run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Build and push
	uses: docker/build-push-action@v4
	with:
	context: .
	file: ./Dockerfile
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	build-args: \|
	COMMIT_HASH=${{ steps.last_commit.outputs.sha_short }}

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