Update README.md #47

	name: Java CI with Gradle

	on:
	push:
	branches: [ "develop" ]

	permissions:
	contents: read

	jobs:
	# Spring Boot 애플리케이션을 빌드하여 도커허브에 푸시하는 과정
	build-docker-image:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	# 1. Java 17 세팅
	- name: Set up JDK 17
	uses: actions/setup-java@v3
	with:
	java-version: '17'
	distribution: 'temurin'

	# 2. Spring Boot 애플리케이션 빌드
	- name: Build with Gradle
	uses: gradle/gradle-build-action@67421db6bd0bf253fb4bd25b31ebb98943c375e1
	with:
	arguments: clean bootJar

	# 3. Docker 이미지 빌드
	- name: docker image build
	run: docker build -t ${{ secrets.DOCKERHUB_USERNAME }}/graduation-spring:1.0.2 .

	# 4. DockerHub 로그인
	- name: docker login
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKERHUB_EMAIL }}
	password: ${{ secrets.DOCKERHUB_PASSWORD }}

	# 5. Docker Hub 이미지 푸시
	- name: docker Hub push
	run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/graduation-spring:1.0.2

	# 6. gradlew 권한 설정
	- name: Add permission
	run: chmod +x gradlew

	# 7. docker compose up
	- name: executing remote ssh commands using password
	uses: appleboy/ssh-action@master
	with:
	host: ${{ secrets.EC2_HOST }}
	username: ubuntu
	key: ${{ secrets.EC2_PEM_KEY }}
	script: \|
	sudo docker rm -f $(docker ps -qa)
	docker-compose pull
	docker-compose up -d
	docker image prune -f

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