You can then find the IP address of the VM by finding its gateway. Docker run -it -nethost ubuntu bash Then you need to find the IP address from the VM used for the docker containers, you can do this by running boot2docker ssh the OSX host. Hence, weird workarounds like usingĮxtrahosts or double name policies can be avoided.įor routing management at the overlay level. First you run the docker image with -nethost, so that it shares the network with the host VM e.g. On many occasions, deployments running on multiple docker daemons do not enter into designing their networking approach, but they can have great benefits by using overlays for a number of reasons:Īmong different hosts can be easily encrypted. Macvlan networks are best when you are migrating from a VM setup or need yourĬontainers to look like physical hosts on your network, each with a unique MAC Overlay networks are best when you need containers running on different Docker hosts toĬommunicate, or when multiple applications work together using swarm services. Host, but you want other aspects of the container to be isolated. Host networks are best when the network stack should not be isolated from the Docker User-defined bridge networks are best when you need multiple containers to communicate on the same
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