Azure Content Delivery Network
Azure CDN efficiently delivers web content to users and minimizes latency by storing cached content on edge servers in point-of-presence locations near to end-users.
Azure VNs offers resources secure communication and provides isolation and segmentation, filter and route traffic, and allow connection between locations.
Azure Files provides a fully managed file share in the cloud that hosts all of the WordPress content to make VMs have access to the data.
Azure Key Vault
Azure Key Vault stores and tightly controls access to passwords, certificates, and keys.