Merge pull request #62 from 7JEON8KI/docs/jun #99

	name: Spring CI with Maven & Docker & EC2

	on:
	push:
	branches: [ "dev" ]
	pull_request:
	branches: [ "dev" ]

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	# (1) 기본 체크아웃
	- name: Checkout
	uses: actions/checkout@v3

	# (2) JDK 11 세팅
	- name: Set up JDK 11
	uses: actions/setup-java@v3
	with:
	java-version: '11'
	distribution: 'temurin'
	cache: 'maven'

	# (3) 메이븐 캐싱
	- name: Cache Maven packages
	uses: actions/cache@v2
	with:
	path: ~/.m2
	key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
	restore-keys: \|
	${{ runner.os }}-m2-

	# (4) 메이븐 빌드
	- name: Build with Maven
	run: mvn -B package --file pom.xml

	# (5) 도커 이미지생성 및 허브 푸시
	- name: Build and Push Docker Image
	run: \|
	docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
	docker build -t ${{ secrets.DOCKER_USERNAME }}/mealkeat:backlatest .
	docker push ${{ secrets.DOCKER_USERNAME }}/mealkeat:backlatest
	env:
	DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
	DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}

	# (6) docker compose up
	- name: Restart 'back' service only
	uses: appleboy/ssh-action@master
	with:
	host: ${{ secrets.AWS_HOST_ID }}
	username: ec2-user
	key: ${{ secrets.AWS_PRIVATE_KEY }}
	script: \|
	sudo docker-compose pull back # 최신 이미지로 업데이트
	sudo docker-compose up -d back # 'back' 서비스만 다시 시작
	sudo docker image prune -f # 불필요한 이미지 정리

Provide feedback