networking - Expose Docker container to public ip

Question

I started an Ubuntu Docker container, installed ssh, run ssh with port 22 attached to it.

$ docker ps
CONTAINER ID   IMAGE          COMMAND             PORTS             
f580e36aa7f0   martin/ssh2    /usr/sbin/sshd -D   0.0.0.0:49154->22/tcp

From my server I can now ssh my container. It work fine!

ssh root@172.17.42.1 -p 49154

But how can I ssh my container from the outside word?
(my server is running in my local network on 192.168.1.8/24)

• Should I install a load balancer who redirect 192.168.1.8:2222 to 172.17.42.1:49154?
  
• Should I need pipework for that? How?
  
• Can someone point me in the right decision?

Answer 1

您应该已经可以在192.168.1.8:49154连接到您的容器。

您的 ssh 容器绑定到 0.0.0.0（=任何接口）和端口 49154，因此这意味着容器端口 22 可以在主机上的任何接口上的端口 49154 上访问。