Update README.md #101

	name: CD - Deploy to EC2 (Docker Compose)

	on:
	# develop 브랜치에 push 될 때마다 자동 배포
	push:
	branches: ["develop"]
	workflow_dispatch:

	# 동시에 여러 배포가 겹치지 않게 제어
	concurrency:
	group: deploy-ec2 # 같은 그룹의 이전 실행이 있으면
	cancel-in-progress: true # 새 실행 시 이전 것 취소

	jobs:
	deploy:
	runs-on: ubuntu-latest

	steps:
	- name: Deploy via SSH
	uses: appleboy/ssh-action@v1.2.5
	with:
	host: ${{ secrets.EC2_HOST }}
	username: ${{ secrets.EC2_USER }}
	key: ${{ secrets.EC2_SSH_KEY }}
	port: ${{ secrets.EC2_PORT }}
	script: \|
	set -euo pipefail

	echo "===> Move to project dir"
	cd ${{ secrets.DEPLOY_DIR }}

	# .env 누락 방지
	echo "===> Check .env"
	if [ ! -f .env ]; then
	echo ".env not found in $(pwd)" >&2
	exit 1
	fi

	echo "===> Git pull"
	git fetch --all
	git reset --hard origin/${{ secrets.DEPLOY_BRANCH }}

	echo "===> Build jar"
	chmod +x ./gradlew
	./gradlew build -x test

	# backend만 재빌드 + 오르판 정리
	echo "===> Docker compose redeploy (backend only + remove orphans)"
	docker compose up -d --build --remove-orphans backend

	echo "===> Container Status"
	docker ps

	echo "===> Backend logs (tail)"
	docker compose logs --tail=50 backend

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