Docs/feature/modify readme #94

	name: Backend Build

	on:
	pull_request:
	types: [opened, edited]

	env:
	DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}

	jobs:
	build:
	runs-on: ubuntu-latest
	if: github.event.pull_request.base.ref == 'dev'

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Generate .env file
	run: echo "DOCKER_USERNAME=${{ secrets.DOCKER_USERNAME }}" >> .env

	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_ACCESS_TOKEN }}

	- name: Setup docker-compose
	uses: KengoTODA/actions-setup-docker-compose@v1.2.1
	with:
	version: "2.24.5"

	- name: Create a Builder Instance
	run: \|
	docker buildx create --name buildx
	docker buildx use buildx

	- name: Build & Push Docker Cache
	run: \|
	cp package.json backend/package.json
	cp package-lock.json backend/package-lock.json
	cp -r packages backend/packages
	cd backend
	docker-compose -f compose.cache-export.yml build --builder buildx --build-arg BUILDKIT_INLINE_CACHE=1
	docker-compose -f compose.cache-export.yml push

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