docs: README에 로그 슬랙 알림 사진 추가 #60

	name: Deploy Backend

	on:
	push:
	branches:
	- develop
	paths:
	- 'backend/src/**'

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

	- name: Log in to NCP Container Registry
	run: \|
	set +x
	echo "${{ secrets.NCP_SECRET_KEY }}" \| docker login -u "${{ secrets.NCP_ACCESS_KEY }}" https://${{ secrets.NCP_REGISTRY_URL }} --password-stdin

	- name: Build Docker Image
	run: \|
	cd ${{ github.workspace }}/backend
	echo "${{ secrets.DOT_ENV_PROD }}" >> .env.prod
	docker build -t ${{ secrets.NCP_REGISTRY_URL }}/${{ secrets.DOCKER_IMAGE_NAME }} .

	- name: Push Docker Image to NCP Container Registry
	run: \|
	docker push ${{ secrets.NCP_REGISTRY_URL }}/${{ secrets.DOCKER_IMAGE_NAME }}

	- name: Log out from Docker Registry
	run: docker logout https://${{ secrets.NCP_REGISTRY_URL }}

	- name: SSH and deploy backend
	run: \|
	mkdir -p ~/.ssh
	echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_rsa
	chmod 600 ~/.ssh/id_rsa
	ssh -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa ${{ secrets.NCP_SERVER_USER }}@${{ secrets.NCP_SERVER_HOST }} \
	"export NCP_ACCESS_KEY=${{ secrets.NCP_ACCESS_KEY }} \
	NCP_SECRET_KEY=${{ secrets.NCP_SECRET_KEY }} \
	NCP_REGISTRY_URL=${{ secrets.NCP_REGISTRY_URL }} \
	DOCKER_IMAGE_NAME=${{ secrets.DOCKER_IMAGE_NAME }} && \
	/home/${{ secrets.NCP_SERVER_USER }}/deploy-backend.sh"

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