How can different containers in docker-machines on different physical hosts talk?

[funkytaco]

Docker acquired SocketPlane.io to add “overlay networks”, which (I think) are available since Docker 1.9.

This guy shows an example of this, but maybe you should poke around the docs

Overlay networking in Docker

I am following the tutorial https://github.com/docker/dceu_tutorials/blob/master/6-networking.md to get a better understanding of Overlay Networking and Container Networking in general. It is great, really, but I have a questions which isn’t clear to me yet. When I make a container network like so: docker network create -d overlay --subnet=10.10.10.0/24 RED and start a container like so: DOCKERHOST1 $ docker run -itd --name container1 --net RED ubuntu DOCKEHOST2 $ docker run -itd --name …