Dec 04, 2017 · ARM Templates Samples Azure App Service. Including how to: Set Connection Strings; Set app settings with a Cosmos DB Accunt Key, the Azure Storage Key and App Insights Instrumentation Key In a nutshell, the ARM Template creates a storage account, a load balancer, a public IP, a specific number of CentOS 7.2 Virtual Machines with one data disk per instance and uses a custom bash script that configures the VMs. The template also configures the load balancer to probe ports 80 and 443 and set NAT rules for SSH on each VM instance.