The ASP.NET Core framework allows for cross-platform web development, providing developers with extensive control over the construction and deployment of .NET applications. The text details how to use Datadog to monitor a .NET Core application deployed on Azure App Service, a cloud-based platform for web and mobile applications. It guides readers through creating a sample .NET Core application, deploying it to Azure App Service, and utilizing Datadog’s Azure integration and extension for monitoring performance. This integration captures metrics and logs from Azure resources, while the Datadog extension offers automatic instrumentation and trace collection, enabling developers to track application requests, correlate data with code-level performance, and identify bottlenecks. The document emphasizes the importance of configuring the application with specific environment variables and explains how to install the Datadog extension via deployment scripts or Azure’s UI interfaces, ultimately allowing for enhanced visibility and troubleshooting of application performance via Datadog’s Azure integration tools.