feat : GitHub Action

.github/workflows/gradle.yml

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+name: Java CI/CD with Gradle
+
+on:
+  push:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  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@v2
+        with:
+          arguments: clean bootJar
+
+      # 3. Docker 이미지 빌드
+      - name: docker image build
+        run: docker buildx build --platform=linux/arm64 -t ${{ secrets.DOCKERHUB_USERNAME }}/attachit:latest .
+
+      # 4. Dockerhub 로그인
+      - name: docker login
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      # 5. Dockerhub push
+      - name: docker hub push
+        run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/attachit:latest
+
+      - name: Connect to WAS & Execute Application
+        uses: appleboy/[email protected]
+        with:
+          host: ${{ secrets.WAS_HOST }}
+          username: ${{ secrets.WAS_USERNAME }}
+          password: ${{ secrets.SSH_PASSWORD }}
+          port: ${{ secrets.WAS_SSH_PORT }}
+          script: |
+            cd ~/attachit
+            docker-compose down
+            docker-compose pull
+            docker-compose up -d

Dockerfile

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+FROM openjdk:17-oracle
+
+WORKDIR /app
+
+ARG JAR_FILE=build/libs/*.jar
+
+COPY ${JAR_FILE} app.jar
+
+EXPOSE 8082
+
+CMD ["java", "-jar", "app.jar"]