Docker群主机连接

Question

我有一个docker swarm和composefilem，但是帐户服务无法连接http://config:8888

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config:
environment:
  CONFIG_SERVICE_PASSWORD: "test"
image: sqshq/piggymetrics-config:latest
hostname: config
deploy:
      update_config:
        delay: 10s
      restart_policy:
        condition: on-failure
ports:
  - 8888:8888

 account-service:
environment:
  CONFIG_SERVICE_PASSWORD: "test"
  ACCOUNT_SERVICE_PASSWORD: "test"
  MONGODB_PASSWORD: "test"
image: sqshq/piggymetrics-account-service:latest
deploy:
      update_config:
        delay: 10s
      restart_policy:
        condition: on-failure
ports:
  - 6000:6000