CI/CD

Update README.md #32

	name: CI/CD

	on:
	push:
	branches: [main]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source
	uses: actions/checkout@v3

	- name: Set up JDK 17
	uses: actions/setup-java@v3
	with:
	distribution: 'temurin'
	java-version: '17'

	- name: Grant execute permission for gradlew
	run: chmod +x ./gradlew

	- name: Build Project
	run: ./gradlew build -x test

	- name: Login to Docker Hub
	run: docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}

	- name: Build Docker Image
	run: docker build -t yh0872/signal .

	- name: Publish Image to Docker Hub
	run: docker push yh0872/signal:latest

	deploy:
	needs: build
	runs-on: [ aws-ec2 ]
	steps:
	- name: Pull Image from docker hub
	run: sudo docker pull yh0872/signal:latest
	- name: Delete old container
	run: sudo docker rm -f signal-container
	- name: Run docker container
	run: sudo docker run -d -p 8080:8080 --name signal-container yh0872/signal

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