CI with Gradle #50

	name: CI with Gradle

	on:
	pull_request:
	branches: ["main"]
	push:
	branches: ["main"]
	workflow_dispatch:

	concurrency:
	group: ci-${{ github.ref }}
	cancel-in-progress: true

	permissions:
	contents: read

	env:
	JAVA_VERSION: '21'
	IMAGE: ${{ secrets.DOCKER_USERNAME }}/leftoversflirting

	jobs:
	build: # 1) 빌드 전용 Job — PR과 push 모두 실행
	name: Build
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up Temurin JDK
	uses: actions/setup-java@v4
	with:
	distribution: temurin
	java-version: ${{ env.JAVA_VERSION }}

	- name: Setup Gradle
	uses: gradle/actions/setup-gradle@v4

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

	- name: Build JAR
	run: ./gradlew bootJar -x test --no-daemon

	- name: Upload JAR artifact
	uses: actions/upload-artifact@v4
	with:
	name: app-jar
	path: build/libs/*.jar

	docker-push:
	name: Docker Build & Push
	if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
	needs: build
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Download JAR artifact
	uses: actions/download-artifact@v4
	with:
	name: app-jar
	path: build/libs

	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Build & Push image
	uses: docker/build-push-action@v6
	with:
	context: .
	push: true
	tags: \|
	${{ env.IMAGE }}:latest
	${{ env.IMAGE }}:${{ github.sha }}

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