message: not much to say about it, but leave an example.
diff: @@ -78,3 +78,16 @@ if (getenv('LAGOON')){
  }
  }
  ```
  +
  +### Persistent
  +
  +Redis can also be configured as a persistent backend.
  +
  +```
  +redis:
  + image: amazeeio/redis-persistent
  + labels:
  + lagoon.type: redis-persistent
  + environment:
  + << : *default-environment
  +```
  