Terraform
Tutorial: Immutable infrastructure for Azure, using VSTS, Terraform, Packer and Ansible
https://open.microsoft.com/2018/05/23/immutable-infrastructure-azure-vsts-terraform-packer-ansible/
Tutorial: CI/CD for Azure using Terraform, Ansible and VSTS
https://open.microsoft.com/2018/05/22/cicd-azure-terraform-ansible-vsts-java-springboot-app/