When configuring the internal DNS resolver - rather than keep IPv6
nameservers read from the host's resolv.conf in the container's
resolv.conf, treat them like IPv4 addresses and use them as upstream
resolvers.
For IPv6 nameservers, if there's a zone identifier in the address or
the container itself doesn't have IPv6 support, mark the upstream
addresses for use in the host's network namespace.
Signed-off-by: Rob Murray <rob.murray@docker.com>
Libnetwork provides a native Go implementation for connecting containers
The goal of libnetwork is to deliver a robust Container Network Model that provides a consistent programming interface and the required network abstractions for applications.
There are many networking solutions available to suit a broad range of use-cases. libnetwork uses a driver / plugin model to support all of these solutions while abstracting the complexity of the driver implementations by exposing a simple and consistent Network Model to users.
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