appinsights-instrumentation

Instrumenting a Node.js app with Azure Application Insights requires creating the App Insights resource, installing Azure Monitor OpenTelemetry packages, and configuring the APPLICATIONINSIGHTS_CONNECTION_STRING environment variable to start collecting telemetry data.

The correct way to configure the Application Insights connection string is by setting the APPLICATIONINSIGHTS_CONNECTION_STRING as an environment variable. Relying on deprecated appsettings.json configurations is discouraged in favor of environment variables for IaC-friendly deployments.

Yes, you can use OpenTelemetry with Application Insights for ASP.NET Core apps hosted in Azure. The instrumentation process selects the correct path and applies OpenTelemetry SDK configuration to establish telemetry collection for your web application.

Before setting up Application Insights instrumentation, you need to create the Azure Application Insights resource and a Log Analytics workspace. These resources are required to store and query the telemetry data collected from your web application.

Application Insights instrumentation relies on Azure CLI dependencies to provision the necessary App Insights and Log Analytics resources. You need the Azure CLI environment configured to create these resources and retrieve the required connection string.

You should use environment variables instead of appsettings.json for Application Insights configuration because appsettings.json is deprecated for this purpose. Environment variables provide an IaC-friendly approach and ensure the APPLICATIONINSIGHTS_CONNECTION_STRING is securely managed across hosting environments.