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By default, the containers can only see each other by IP addresses. ... Tin will be writing this out within next 2 weeks (from Jan 23rd)DNS resolutions by default is not enabled.
I'm not going to show how to fix this because we will get this out of the box when graduating to using LXD.
Static LXC Assigned IP
When working with servers, without orchestration, it is best to use static IPs. This should be your first step if seriously using containers for production use. By default, LXC assigns an internal set of IPs within the range of 10.0.3.2 to 10.0.3.254 which is defined in /etc/default/lxc-net.
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