将造船厂与现有的码头图像连接起来？

Question

我刚刚在我当地的Ubuntu 17.04计算机上安装了https://shipyard-project.com/。在安装Shipyard之前，我已经在使用docker玩了一下，例如从sample：

构建Dockerfile图片

$ sudo docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
sample              with-jdk8           203484786f91        3 days ago          487MB
sample              latest              39d4758ce1b1        7 days ago          158MB
swarm               latest              0198d9ac25d1        7 days ago          15.8MB
rethinkdb           latest              be24926bde9a        2 weeks ago         183MB
ubuntu              latest              d355ed3537e9        2 weeks ago         119MB
hello-world         latest              1815c82652c0        3 weeks ago         1.84kB
shipyard/shipyard   latest              36fb3dc0907d        9 months ago        58.8MB
microbox/etcd       latest              6aef84b9ec5a        23 months ago       17.9MB

现在当我运营造船厂时，我看不到那张图片：

如何将Shipyard连接到现有图像？