Clarify service discovery

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Asim 2016-11-19 14:31:07 +00:00
parent 20feb95e18
commit 25ae5c2e5f

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@ -43,18 +43,34 @@ Join us to discuss, learn and contribute:
This is a quick getting started guide with the greeter service example. This is a quick getting started guide with the greeter service example.
### Prerequisites ### Prerequisites: Service Discovery
There's just one prerequisite. We need a service discovery system to resolve service names to their address. There's just one prerequisite. We need a service discovery system to resolve service names to their address.
The default discovery mechanism used in go-micro is Consul. Discovery is however pluggable so you can used The default discovery mechanism used in go-micro is Consul. Discovery is however pluggable so you can used
etcd, kubernetes, zookeeper, etc. Other implementations can be found in [go-plugins](https://github.com/micro/go-plugins). etcd, kubernetes, zookeeper, etc. Plugins can be found in [micro/go-plugins](https://github.com/micro/go-plugins).
Alternatively we can use multicast DNS with the built in MDNS registry for a zero dependency configuration. Just pass `--registry=mdns` to the below commands. ### Zero Dependency Discovery
### Install Consul We can use multicast DNS with the built in MDNS registry for a zero dependency configuration.
[https://www.consul.io/intro/getting-started/install.html](https://www.consul.io/intro/getting-started/install.html)
### Run Consul Just pass `--registry=mdns` to any command
```
$ go run main.go --registry=mdns
```
### Consul Discovery
Alternatively we can use the default discovery system which is Consul.
**Install on OS X**
```
brew install consul
```
[Further installation instructions](https://www.consul.io/intro/getting-started/install.html)
**Run Consul**
``` ```
$ consul agent -dev -advertise=127.0.0.1 $ consul agent -dev -advertise=127.0.0.1
``` ```