# -- built-in Redis (cache + arq broker) ---------------------------------
  redis:
    image: redis:7-alpine
    restart: unless-stopped
    command: redis-server --save 60 1 --loglevel warning
    volumes:
      - redisdata:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5