User defined routes and Appliance
This template creates a VNet with 3 Subnets, Frontend, Backend and Appliance subnet. It deploys a VM into each of the subnets. It creates a route table containing routes to direct BE traffic to go through the VM in appliance subnet. The route gets associated to the front end subnet.
Tags: Microsoft.Network/publicIPAddresses, Microsoft.Network/networkSecurityGroups, Microsoft.Network/routeTables, Microsoft.Network/virtualNetworks, Microsoft.Network/networkInterfaces, Microsoft.Compute/virtualMachines