Update gradle.yml #2

	name: Java CI with Gradle

	# 동작 조건 설정 : main 브랜치에 push 혹은 pull request가 발생할 경우 동작한다.
	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	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 }}/knufest .

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

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

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