端口映射与容器关联 从外部访问容器应用 ubuntu@ubuntu18:/tmp/dockertmp$ docker pull training/webapp Using default tag: latest latest: Pulling from training/webapp e190868d63f8: Pull complete 909cd34c6fd7: Pull complete 0b9bfabab7c1: Pull complete a3ed95caeb02: Pull complete 10bbbc0fc0ff: Pull complete fca59b508e9f: Pul