Azure Application Gateway WAF v2 ARM Template Ready-to-Deploy Reusable Solution
Azure Application Gateway WAF v2 ARM Template Ready-to-Deploy Reusable Solution
Overview
This solution provides a complete Infrastructure-as-Code (IaC) package for deploying a production-ready Azure Application Gateway (WAF v2) using ARM templates. It is designed for engineers and organizations that require a secure, scalable, and standardized way to deploy an internet-facing application entry point in Azure.
The solution includes a fully validated ARM template, parameter configuration, deployment script, and detailed documentation, enabling consistent and repeatable deployments across environments.
What This Solution Deploys
When executed with valid inputs, this solution deploys the following Azure resources:
Azure Application Gateway (WAF v2 SKU) with autoscaling enabled
External Web Application Firewall policy using OWASP rule set
Public IP address (Standard SKU)
Virtual Network with a dedicated Application Gateway subnet
HTTPS listener configured with SSL certificate from Azure Key Vault
HTTP listener with automatic redirection to HTTPS
Backend address pool using FQDN-based routing
Health probes for backend monitoring
Optional diagnostic settings for logging and monitoring
The deployment follows modern Azure architecture practices, including separation of WAF policy, secure certificate handling, and scalable gateway configuration.
Key Capabilities
Secure TLS termination using Azure Key Vault integration
Built-in Web Application Firewall protection (OWASP 3.2)
Autoscaling for high availability and performance
HTTP to HTTPS redirection for secure traffic enforcement
Backend health monitoring and resilience
Parameterized design for flexible deployment across environments
Infrastructure-as-Code approach for repeatability and consistency
Dependencies and Requirements
This solution requires external Azure resources and configuration that must be provided by the deployer. These dependencies are not created by the template.
Required dependencies include:
Key Vault
A Key Vault instance containing a valid SSL certificate stored as a secret in PFX format. The certificate must be enabled and not expired. A versionless secret URI is recommended.
Managed Identity
A user-assigned managed identity must exist and be assigned to the Application Gateway. This identity is used to securely access the Key Vault certificate.
Key Vault Access Permissions
The managed identity must have permission to read secrets from the Key Vault. At minimum, it must be able to perform Get and List operations on secrets.
Backend Application
A reachable backend application endpoint must exist. The backend must support HTTPS on port 443, respond to Health Probes, and present a valid TLS Certificate.
DNS Configuration
A public DNS record must be configured to resolve the frontend hostname to the Application Gateway public IP address after deployment.
Networking
A virtual network address space must be defined that does not overlap with existing networks. The Application Gateway must be deployed in a dedicated subnet that contains no other resources.
Optional Dependencies
A Trusted Root Certificate is required only if the backend uses a Private or Self-Signed Certificate. A Log Analytics workspace can be provided for diagnostics and monitoring.
Intended Use
This solution is intended for:
Production deployments of Web Application Ingress in Azure
Standardization of Application Gateway deployments across environments
Infrastructure-as-Code implementations in DevOps pipelines
Secure exposure of backend services to the internet
Important Notes
This solution is Production-Ready but Not Self-Contained. Successful deployment depends on providing valid environment-specific values and ensuring that all external dependencies are correctly configured.
Validation and preview operations (such as what-if) can be executed without real resources, but full deployment requires real infrastructure components.
Summary
This product delivers a structured, secure, and enterprise-aligned deployment pattern for Azure Application Gateway WAF v2. It enables organizations to deploy a critical network security component consistently while enforcing best practices for security, scalability, and maintainability.
Support
For questions or custom template requests, please contact:
ITCloudAcademy Support Team
Email: support@ITCloudAcademy.net
Email: info@ITCloudAcademy.net
Website: http://www.itcloudacademy.net
Support Hours:
Monday to Friday
9:00 AM to 6:00 PM MST
