[Feat] docker CI/CD 추가 #1

	name: CI/CD using docker & git actions

	# 해당 브랜치에 push가 되었을 때 실행
	on:
	push:
	branches: [ "main" ]

	jobs:
	CI-CD:
	runs-on: ubuntu-latest
	steps:

	# JDK setting - github actions에서 사용할 JDK 설정 (프로젝트나 AWS의 java 버전과 달라도 무방)
	- uses: actions/checkout@v3
	- name: Set up JDK 17
	uses: actions/setup-java@v3
	with:
	java-version: '17'
	distribution: 'temurin'

	# application.properties 생성
	- name: make application.properties
	if: contains(github.ref, 'main')
	run: \|
	mkdir ./src/main/resources
	cd ./src/main/resources
	touch ./application.properties
	echo "${{ secrets.Application }}" > ./application.properties # github actions에서 설정한 값을 application.properties 파일에 쓰기

	# gradle build
	- name: Build with Gradle
	run: ./gradlew build -x test

	# 도커 이미지 생성 & 도커 허브에 이미지 푸시
	- name: Docker build & push
	if: contains(github.ref, 'main')
	run: \|
	docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
	docker build -f Dockerfile -t ${{ secrets.DOCKER_USERNAME }}/bjj .
	docker push ${{ secrets.DOCKER_USERNAME }}/bjj

	# 도커 이미지 배포
	- name: Deploy docker image
	uses: appleboy/ssh-action@master
	id: deploy-dev
	if: contains(github.ref, 'main')
	with:
	host: ${{ secrets.HOST}}
	username: ${{ secrets.USERNAME }}
	password: ${{ secrets.PASSWORD }}
	script: \|
	sudo docker ps
	sudo docker pull ${{ secrets.DOCKER_USERNAME }}/bjj
	sudo docker run -d -p 8020:8020 ${{ secrets.DOCKER_USERNAME }}/bjj
	sudo docker image prune -f

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