feat : 권한 설정 추가 #8

	name: Backend Build

	on:
	push:
	branches:
	- main
	- develop
	pull_request:
	branches:
	- main
	- develop

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	# 1️. 저장소 체크아웃
	- name: Checkout repository
	uses: actions/checkout@v3

	# 2️. JDK 17 설정
	- name: Set up JDK 17
	uses: actions/setup-java@v3
	with:
	distribution: 'temurin'
	java-version: '17'

	# 3️. Gradle 캐시 설정 (빌드 속도 최적화)
	- name: Cache Gradle packages
	uses: actions/cache@v3
	with:
	path: ~/.gradle/caches
	key: gradle-${{ runner.os }}-${{ hashFiles('*/.gradle', '*/gradle-wrapper.properties') }}
	restore-keys: \|
	gradle-${{ runner.os }}-

	# 4️. Gradle 실행 권한 추가
	- name: Grant execute permission for Gradle
	run: chmod +x backend/gradlew

	# 5️. Spring Boot 빌드
	- name: Build with Gradle
	run: \|
	cd backend
	./gradlew clean build -x test --no-daemon --parallel --configure-on-demand

	# 6. 빌드된 JAR 파일을 Artifacts로 저장
	- name: Upload JAR Artifact
	uses: actions/upload-artifact@v4
	with:
	name: backend-jar
	path: backend/build/libs/*.jar

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