docker-compose-prod.yml

# =============================================================================
# 운영 서버 환경용 Docker Compose 설정 (Profile: prod)
# =============================================================================
# 사용법: docker-compose -f docker-compose-prod.yml --env-file .env.prod up -d
# 고성능 리소스 할당 (Dev의 3배 메모리)
# =============================================================================

services:
  devnogi-gateway-app:
    image: ${DOCKER_USERNAME}/${DOCKER_REPO}:${DOCKER_IMAGE_TAG:-prod}
    pull_policy: always
    container_name: devnogi-gateway-app-prod
    ports:
      - "${SERVER_PORT}:${SERVER_PORT}"
    env_file:
      - .env.prod  # 운영 환경 변수 파일 (JWT, 서비스 URL 등 민감 정보)

    labels:
      autoheal: "true"
    environment:
      # === Application Configuration ===
      SPRING_PROFILES_ACTIVE: prod
      LANG: C.UTF-8
      LC_ALL: C.UTF-8
      SERVER_PORT: ${SERVER_PORT}

      # === JWT Configuration ===
      JWT_SECRET_KEY: ${JWT_SECRET_KEY}
      JWT_ISSUER: ${JWT_ISSUER}

      # === Service Discovery URLs ===
      AUTH_SERVER_URL: ${AUTH_SERVER_URL}
      OPEN_API_BATCH_SERVER_URL: ${OPEN_API_BATCH_SERVER_URL}
      COMMUNITY_SERVER_URL: ${COMMUNITY_SERVER_URL}
      TECH_BLOG_SERVER_URL: ${TECH_BLOG_SERVER_URL}

      # === CORS Configuration ===
      CORS_ALLOWED_ORIGINS: ${CORS_ALLOWED_ORIGINS}
      CORS_ALLOWED_HEADERS: ${CORS_ALLOWED_HEADERS:-*}
      CORS_ALLOW_CREDENTIALS: ${CORS_ALLOW_CREDENTIALS:-true}

      # === Logging Configuration ===
      LOG_LEVEL_ROOT: ${LOG_LEVEL_ROOT:-INFO}
      LOG_LEVEL_GATEWAY: ${LOG_LEVEL_GATEWAY:-INFO}
      LOG_LEVEL_NETTY: ${LOG_LEVEL_NETTY:-INFO}

      # === Docker Configuration ===
      DOCKER_USERNAME: ${DOCKER_USERNAME}
      DOCKER_REPO: ${DOCKER_REPO}

      # === JVM Configuration (Prod - 고성능, Dev의 3배) ===
      # Heap: 768m~1536m, Non-Heap: ~786m, Total: ~2322m
      JAVA_OPTS: >-
        -Xms${JAVA_OPTS_XMS:-768m}
        -Xmx${JAVA_OPTS_XMX:-1536m}
        -XX:MaxMetaspaceSize=${JAVA_OPTS_MAX_METASPACE_SIZE:-450m}
        -XX:ReservedCodeCacheSize=${JAVA_OPTS_RESERVED_CODE_CACHE_SIZE:-144m}
        -XX:MaxDirectMemorySize=${JAVA_OPTS_MAX_DIRECT_MEMORY_SIZE:-192m}
        -Xss${JAVA_OPTS_XSS:-512k}
        -XX:+UseG1GC
        -XX:MaxGCPauseMillis=${JAVA_OPTS_MAX_GC_PAUSE_MILLIS:-100}
        -XX:G1HeapRegionSize=${JAVA_OPTS_G1_HEAP_REGION_SIZE:-4m}
        -XX:InitiatingHeapOccupancyPercent=${JAVA_OPTS_INITIATING_HEAP_OCCUPANCY_PERCENT:-35}
        -XX:+TieredCompilation
        -XX:TieredStopAtLevel=${JAVA_OPTS_TIERED_STOP_AT_LEVEL:-4}
        -XX:CICompilerCount=${JAVA_OPTS_CI_COMPILER_COUNT:-4}
        -XX:+UseCompressedOops
        -XX:+UseCompressedClassPointers
        -Djava.security.egd=file:/dev/./urandom
        -Dspring.jmx.enabled=false
    volumes:
      - app-logs:/app/logs
    restart: on-failure:5

    # === Docker Resource Limits (Prod - 고성능, Dev의 3배) ===
    deploy:
      resources:
        limits:
          memory: 2250M
        reservations:
          memory: 1536M

    networks:
      - app-network
      - devnogi-network  # 다른 서비스 컨테이너와 통신

    # === Health Check (Prod - 빈번한 체크, 빠른 복구) ===
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:${SERVER_PORT}/actuator/health"]
      interval: 15s      # 더 자주 체크 (운영 안정성)
      timeout: 10s       # 더 짧은 타임아웃 (빠른 감지)
      retries: 5         # 더 많은 재시도 (일시적 장애 허용)
      start_period: 180s # 더 긴 시작 유예 (충분한 워밍업)

    # === Logging (Prod - 대용량, 장기 보관) ===
    logging:
      driver: "json-file"
      options:
        max-size: "50m"
        max-file: "5"

  # === Autoheal (Prod - 빈번한 체크, 긴 graceful shutdown) ===
  autoheal:
    image: willfarrell/autoheal:latest
    container_name: devnogi-gateway-autoheal-prod
    restart: unless-stopped
    environment:
      AUTOHEAL_INTERVAL: 15        # 더 자주 체크 (초)
      AUTOHEAL_START_PERIOD: 0     # 시작 유예 시간
      AUTOHEAL_DEFAULT_STOP_TIMEOUT: 30  # 더 긴 graceful shutdown (초)
      DOCKER_SOCK: /var/run/docker.sock
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
    networks:
      - app-network
    deploy:
      resources:
        limits:
          memory: 75M
        reservations:
          memory: 30M

volumes:
  app-logs:
    driver: local

networks:
  app-network:
    driver: bridge
  devnogi-network:
    external: true
    name: infra_devnogi-network  # 기존 인프라 네트워크 (다른 서비스들과 통신)