Setup a hub spoke model to setup the various environment (dev,qa and production) of dealerconnect application. There is a hub which is connected to three spokes named dev,uat and prod. User from onpremise data center connect over VPN to azure and access the application. Application is a three their application where webserver is in vnet while app server is in private vnet. We are suing load balancer in from on web vnet and data vnet for high availability. The prod application has SQL configured as standby instance in another availability zone while for other environment like Dev and UAT we have used single SQL instance as per the customer requirements.