cloud.gov offers Redis 2.8 as a service. This service is still in Alpha mode: downtime and data loss is possible.
||Redis instance with several GB storage||Free in Alpha|
How to create an instance
To create a service instance run the following command:
cf create-service redis28 standard my-redis-service
The broker in GitHub
You can find the broker here: https://github.com/18F/kubernetes-broker.