refactor GitHub Actions workflow #18

	name: Build and Push Docker Image

	on:
	push:
	branches:
	- app

	permissions:
	contents: write
	pull-requests: write

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	# Step 1: Checkout the latest code from the repo
	- name: Checkout code
	uses: actions/checkout@v4

	# Step 2: Install jq to parse package.json
	- name: Install jq
	run: sudo apt-get install -y jq

	# Step 3: Set up Docker in the workflow
	- name: Set up Docker
	uses: docker/setup-buildx-action@v3

	# Step 4: Log in to Docker Hub using secrets
	- name: Log in to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKER_USER }}
	password: ${{ secrets.DOCKER_PASS }}

	# Step 5: Extract version from package.json
	- name: Extract version from package.json
	id: get_version
	run: \|
	VERSION=$(cat app/package.json \| jq -r .version)
	echo "VERSION=$VERSION"
	echo "::set-output name=version::$VERSION"

	# Step 6: Build Docker image with version tag
	- name: Build Docker image
	run: \|
	docker build -t ${{ secrets.DOCKER_USER }}/gitops-app:${{ steps.get_version.outputs.version }} app/.

	# Step 7: Push Docker image to Docker Hub
	- name: Push Docker image
	run: \|
	docker push ${{ secrets.DOCKER_USER }}/gitops-app:${{ steps.get_version.outputs.version }}

	- name: Checkout main
	uses: actions/checkout@v4
	with:
	ref: main

	- name: Reset app branch
	run: \|
	git fetch origin app
	git reset --hard origin/app

	- name: Create Pull Request
	if: success()
	uses: peter-evans/create-pull-request@v7
	with:
	branch: merge-app
	delete-branch: true
	title: "Automated PR: Merge 'app' into 'main'"
	labels: image-built

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