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Change README.md to add note about use of zdd.py on prod environments. #487

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2 changes: 2 additions & 0 deletions README.md
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Expand Up @@ -291,6 +291,8 @@ The default value when not specified is `redispatch,http-server-close,dontlognul

## Zero-downtime Deployments

* Please note that `zdd.py` is not to be used in a production environment and is purely developed for demonstration purposes.

Marathon-lb is able to perform canary style blue/green deployment with zero downtime. To execute such deployments, you must follow certain patterns when using Marathon.

The deployment method is described [in this Marathon document](https://mesosphere.github.io/marathon/docs/blue-green-deploy.html). Marathon-lb provides an implementation of the aforementioned deployment method with the script [`zdd.py`](zdd.py). To perform a zero downtime deploy using `zdd.py`, you must:
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