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Merge pull request #19566 from dvdksn/multiple-nets 

network: multiple nets with --network
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David Karlsson 2024-03-06 05:47:43 +01:00 committed by GitHub
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@ -139,8 +139,9 @@ A container receives an IP address out of the IP subnet of the network.
The Docker daemon performs dynamic subnetting and IP address allocation for containers.
Each network also has a default subnet mask and gateway.
When a container starts, it can only attach to a single network, using the `--network` flag.
You can connect a running container to additional networks using the `docker network connect` command.
You can connect a running container to multiple networks,
either by passing the `--network` flag multiple times when creating the container,
or using the `docker network connect` command for already running containers.
In both cases, you can use the `--ip` or `--ip6` flags to specify the container's IP address on that particular network.
In the same way, a container's hostname defaults to be the container's ID in Docker.