Discovery (Swarm)
Docker Swarm Discovery
Docker Swarm comes with multiple discovery backends. You use a hosted discovery service with Docker Swarm. The service maintains a list of IPs in your swarm. This page describes the different types of hosted discovery available to you. These are:
Using a distributed key/value store
The recommended way to do node discovery in Swarm is Docker’s libkv project. The libkv project is an abstraction layer over existing distributed key/value stores. As of this writing, the project supports:
- Consul 0.5.1 or higher
- Etcd 2.0 or higher
- ZooKeeper 3.4.5 or higher
For details about libkv and a detailed technical overview of the supported backends, refer to the libkv project.
Using a hosted discovery key st
