fix: redis multi env config

docker-compose.yml

@@ -85,6 +85,9 @@ services:
       DB_NAME: flower
       DB_USER: postgres
       DB_PASSWORD: postgres
+      # 缓存（Redis）连接：容器内用服务名访问；宿主机运行时默认 localhost:6379
+      CACHE_HOST: redis
+      CACHE_PORT: "6379"
     depends_on:
       - pgbouncer
       - redis