Build and push Docker image #3

	name: Build and push Docker image

	on:
	release:
	types: [prereleased, released]

	jobs:
	release:
	name: Build and push Docker image
	runs-on: ubuntu-latest

	steps:
	- name: 📥 Checkout
	uses: actions/checkout@v3

	- name: 🪄 Merge Dockerfiles
	run: \|
	awk -v prefix=backend '$1 == "COPY" && $2 !~ /^--/ {print $1, prefix"/"$2, $3; next} 1' backend/Dockerfile > Dockerfile
	awk -v prefix=frontend '$1 == "COPY" && $2 !~ /^--/ {print $1, prefix"/"$2, $3; next} 1' frontend/Dockerfile >> Dockerfile

	- name: 📦 Set up QEMU
	uses: docker/setup-qemu-action@v2

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

	- name: 👨🏻‍💻 Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: ⚙️ Create image tag
	run: echo "TAG=$(echo ${{ github.event.release.tag_name }} \| sed 's/^v//')" >> $GITHUB_ENV

	- name: 🏗 Build and push Docker image
	uses: docker/build-push-action@v4
	with:
	context: .
	platforms: linux/amd64,linux/arm64,linux/arm/v8,linux/arm/v7,linux/arm/v6
	push: true
	tags: \|
	ghcr.io/${{ github.repository }}:${{ env.TAG }}
	ghcr.io/${{ github.repository }}:latest

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