Hello, @Elango B !
Is it possible to run C program dll's into AKS with small code change?
I reached out to an AKS specialist and the core of this question is really how to containerize the customer's app to a Docker image. The customer will need to start off with having a Dockerfile build it, upload it to ACR (or another docker registry), and then configure AKS and the Kubernetes yaml. There is quite a bit that needs to be done before you get to the step where you configure AKS and the Kubernetes yaml though so the recommendation is to start here:
Windows and containers
https://learn.microsoft.com/en-us/virtualization/windowscontainers/about/