Deploying SQL Server Versions with Kubernetes

Anthony Nocentino shows how we can upgrade or even downgrade our SQL Server containers using Kubernetes deployment scripts:

There’s a few things I want to point out in our YAML file. First, we’re using a Deployment Controller. This will implement a Replica Set of the desired number of replicas using the container imaged defined. In this case, we’ll have 1 replica using the SQL Server 2017 CU11 Image. A Replica Set will guarantee that a defined set of Pods are running at any given time, here we’ll have exactly one Pod. We’re using a Deployment Controller, which gives us move between versions of Replica Sets based off different container images in a controlled fashion…more on that in a second.

Read the whole thing.

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