9:36 a.m.
On Wed, 2019-06-26 at 20:45 +0800, Christoffer Reijer wrote:
This seems like a pretty basic use case but I cannot seem to find
out
how to do this:
I want to create two containers, foo and bar, and have them talk to
each other on ports that are not exposed to anything else. I used to
do this by creating a docker network, my_network, that I attached my
two containers to, and then I could access foo.my_network from the
bar container. But how moving to RHEL 8 I have to port my code away
from Docker and I can't figure out how to get my two containers to
talk. It works fine on IP (10.88.0.10 and 10.88.0.11) but I would
prefer to use the name since I don't trust the IP to be the same at
every run.
Any ideas?
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The quickest idea I would be to throw both containers in a pod. That
way, they are in the same network namespace and can talk to each other
over localhost. No need to expose ports and the IP addresses are
irrelevant.