About This Architecture

Azure PHP web app architecture combining Azure Front Door, CDN, and Application Gateway for global content delivery and DDoS protection via WAF Policy. Two load-balanced Apache VMs running PHP scripts in separate availability zones connect through API Management and VPN Gateway to an on-premises corporate database using OAuth2.0 authentication. Key Vault secures OAuth2.0 credentials while Azure Active Directory manages identity, and Azure Monitor provides observability across the hybrid infrastructure. Fork this diagram to customize subnet ranges, VM SKUs, or add additional on-prem connectivity options for your production environment.

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How do I architect an Azure PHP web application that securely connects to an on-premises database?

This diagram shows a production-grade Azure hybrid architecture using Application Gateway for load balancing across Apache VMs, API Management to mediate on-prem database access, VPN Gateway for secure connectivity, and Key Vault with OAuth2.0 for credential management. Azure Front Door and CDN provide global content delivery with WAF protection.