我想从我的API映像内的客户端映像访问公共文件我尝试向api映像添加卷，但不起作用

- ./client/public:/app

全合成文件

version: '3'
services:
  api:
    restart: always
    build:
      dockerfile: Dockerfile.dev
      context: ./server
    volumes:
      - /app/node_modules
      - ./server:/app
      - ./client/public:/app
    ports:
      - '5000:5000'
  client:
    build:
      dockerfile: Dockerfile.dev
      context: ./client
    volumes:
      - /app/node_modules
      - ./client:/app
    links:
      - api