您的 docker-compose 不会自动将tcp端口暴露给外部环境，例如您的主机PC(我假设您的nodeJs 在主机上运行，​​不包含在 docker-compose 中).这是 docker bridge network 的行为，您可以在 https:中阅读更多内容://docs.docker.com/network/bridge/

Your docker-compose does not automatically expose tcp ports to the outer world, like your host PC (I assume your nodeJs runs on host and not included in docker-compose). This is the behavior of docker bridge networks, you can read more at https://docs.docker.com/network/bridge/

您必须执行以下一项操作:

You have to do one of the following:

将您的NodeJs容器包含在 docker-compose

Include your NodeJs container into docker-compose

或

暴露来自 docker-compose.yml