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"Assemble a system out of several containers, don't mash it all up into one - most people don't seem to get this about docker."

Care to elaborate on this? Do you use the linking system described here? https://docs.docker.com/userguide/dockerlinks/

I mean, your various containers still communicate over IP, right? Just a private IP network within the host, rather than outside?

(Obviously I've never used Docker.)




The OP just means don't put everything into one container.


Yes, except each container has it's own isolated network and explicitly exposes a port that linked containers can listen to. In development I think a lot of people just use --net=host so that all the containers share the host networking stack (at least, I do).




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