feat: Add default values for event details #16

	name: Build and Push Docker Backend Image on Tag

	on:
	push:
	tags:
	- '*'

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

	jobs:
	build:
	permissions: write-all
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

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

	- name: Extract metadata for the Docker image
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Build and push the Docker image
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ./Dockerfile_Backend
	push: true
	platforms: linux/amd64,linux/arm64
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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