VM 배포를 위한 Docker 컨테이너 설정 추가

- content-service/build.gradle: bootJar 파일명 설정 추가
- deployment/container/Dockerfile-backend: 백엔드 서비스 Docker 이미지 파일
- deployment/container/docker-compose.yml: Docker Compose 설정 (환경변수 포함)
- deployment/container/build-and-run.sh: 자동화 빌드 및 배포 스크립트
- deployment/container/build-image.md: 상세 배포 가이드 문서

주요 환경변수:
- JWT_SECRET: 32자 이상 JWT 서명 키 (JWT 오류 해결)
- REDIS/KAFKA: 외부 서버 연결 정보
- REPLICATE_API_TOKEN: Stable Diffusion API 토큰
- AZURE_STORAGE_CONNECTION_STRING: Azure Blob Storage 연결

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

deployment/container/docker-compose.yml

@@ -0,0 +1,58 @@
+version: '3.8'
+
+services:
+  content-service:
+    image: content-service:latest
+    container_name: content-service
+    ports:
+      - "8084:8084"
+    environment:
+      # Spring Profile
+      SPRING_PROFILES_ACTIVE: prod
+
+      # Server Configuration
+      SERVER_PORT: 8084
+
+      # Redis Configuration (외부 Redis 서버)
+      REDIS_HOST: 20.214.210.71
+      REDIS_PORT: 6379
+      REDIS_PASSWORD: Hi5Jessica!
+
+      # Kafka Configuration (외부 Kafka 서버)
+      KAFKA_BOOTSTRAP_SERVERS: 4.230.50.63:9092
+      KAFKA_CONSUMER_GROUP_ID: content-service-consumers
+
+      # JWT Configuration
+      JWT_SECRET: kt-event-marketing-jwt-secret-key-for-authentication-and-authorization-2025
+      JWT_ACCESS_TOKEN_VALIDITY: 3600000
+      JWT_REFRESH_TOKEN_VALIDITY: 604800000
+
+      # Replicate API (Stable Diffusion)
+      REPLICATE_API_TOKEN: r8_Q33U00fSnpjYlHNIRglwurV446h7g8V2wkFFa
+
+      # Azure Blob Storage Configuration
+      AZURE_STORAGE_CONNECTION_STRING: DefaultEndpointsProtocol=https;AccountName=blobkteventstorage;AccountKey=tcBN7mAfojbl0uGsOpU7RNuKNhHnzmwDiWjN31liSMVSrWaEK+HHnYKZrjBXXAC6ZPsuxUDlsf8x+AStd++QYg==;EndpointSuffix=core.windows.net
+      AZURE_CONTAINER_NAME: content-images
+
+      # Logging Configuration
+      LOG_LEVEL_APP: INFO
+      LOG_LEVEL_ROOT: INFO
+
+      # JVM Options
+      JAVA_OPTS: "-Xmx512m -Xms256m"
+
+    restart: unless-stopped
+
+    healthcheck:
+      test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:8084/actuator/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 60s
+
+    networks:
+      - kt-event-network
+
+networks:
+  kt-event-network:
+    driver: bridge