Create docker-image.yml

Author: JayongLee

.github/workflows/docker-image.yml

@@ -0,0 +1,55 @@
+name: Build, Package, and Push Docker Image
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-package-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      # 1. 저장소의 코드를 체크아웃
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      # 2. JDK 설치 (Gradle 빌드에 필요)
+      - name: Set up JDK
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin' # OpenJDK 배포판
+          java-version: '17'     # Java 버전 (Spring Boot 3.x의 경우 Java 17 이상 필요)
+
+      # 3. Gradle 캐시 설정 (빌드 속도 향상)
+      - name: Cache Gradle packages
+        uses: actions/cache@v3
+        with:
+          path: MathCaptain/weakness/.gradle/caches
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      # 4. Gradle 빌드 및 JAR 파일 생성
+      - name: Build JAR file using Gradle
+        run: MathCaptain/weakness/gradlew clean bootJar
+
+      # 5. Docker Hub 로그인
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      # 6. Docker 이미지 빌드 및 태깅 (자동 태그 증가)
+      - name: Build and tag Docker image
+        run: |
+          VERSION=0.${{ github.run_number }}
+          docker build -t ${{ secrets.DOCKERHUB_USERNAME }}/weakness_server:$VERSION .
+          docker tag ${{ secrets.DOCKERHUB_USERNAME }}/weakness_server:$VERSION
+
+      # 7. Docker Hub에 푸시
+      - name: Push Docker image to Docker Hub
+        run: |
+          VERSION=0.${{ github.run_number }}
+          docker push ${{ secrets.DOCKERHUB_USERNAME }}/weakness_server:$VERSION