@Rajasekhar Apologies for the delay in response and all the inconveinince caused because of the issue.
Azure Kubernetes Service (AKS) provides a managed Kubernetes cluster you can use in Azure. This article has options and steps to consider when using AKS and Azure Database for PostgreSQL together to create an application.
Moreover you can use Azure CLI to set up and manage data encryption for your Azure Database for PostgreSQL Single server using Azure KeyVault as mentioned here.
Hope it helps!!!
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