Merge branch 'main' of https://github.com/Sam3Star/clock-server #4

	name: CI/CD using github actions & docker

	on:
	push:
	branches: [ "main" ] # 해당 branch에 푸쉬 발생 시 업데이트

	jobs:
	CI-CD:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up JDK 17
	uses: actions/setup-java@v2
	with:
	java-version: '17'
	distribution: 'temurin'

	- name: set chmod
	run: chmod +x ./gradlew

	- name: Build with Gradle
	run: ./gradlew bootJar

	- name: Docker build & push to prod
	run: \|
	docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
	docker build -f Dockerfile -t ${{ secrets.DOCKER_USERNAME }}/clock .
	docker push ${{ secrets.DOCKER_USERNAME }}/clock

	- name: Deploy to prod
	uses: appleboy/ssh-action@master
	id: deploy-prod
	with:
	host: ${{ secrets.HOST_PROD }} # EC2 퍼블릭 IPv4 DNS
	username: ubuntu
	key: ${{ secrets.PRIVATE_KEY }} # EC2 private key
	port: ${{ secrets.PORT }} #ssh port (22)
	envs: GITHUB_SHA
	script: \|
	docker stop clock
	docker rm clock
	docker rmi ${{ secrets.DOCKER_USERNAME }}/clock
	docker pull ${{ secrets.DOCKER_USERNAME }}/clock
	docker run -d -p 8080:8080 --name welspy ${{ secrets.DOCKER_USERNAME }}/clock

Provide feedback