A jump to DOCKER-INGRESS chain is only created when Swarm needs
it. That's always after jumps to DOCKER-USER and DOCKER-FORWARD
have been inserted at the top of the FORWARD chain. The
DOCKER-INGRESS rule needs to be between those two other jumps.
Placing the jump to DOCKER-INGRESS at the top of the DOCKER-FORWARD
chain puts it in the right place, without needing to shuffle any
other rules around when it's added.
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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