feat: Add Azure Application Insights integration with OpenTelemetry and .NET Profiler#741
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BenjaminMichaelis merged 7 commits intomainfrom Jun 27, 2025
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feat: Add Azure Application Insights integration with OpenTelemetry and .NET Profiler#741BenjaminMichaelis merged 7 commits intomainfrom
BenjaminMichaelis merged 7 commits intomainfrom
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Co-authored-by: BenjaminMichaelis <22186029+BenjaminMichaelis@users.noreply.github.com>
Co-authored-by: BenjaminMichaelis <22186029+BenjaminMichaelis@users.noreply.github.com>
…ntation Co-authored-by: BenjaminMichaelis <22186029+BenjaminMichaelis@users.noreply.github.com>
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[WIP] Add azure application insights
Add Azure Application Insights integration with OpenTelemetry and .NET Profiler
Jun 25, 2025
Ensures Azure Application Insights and Service Profiler are only configured in non-development environments to avoid conflicts and resource consumption during local development.
Adds the Application Insights connection string to the container app configuration for both staging and production environments. This allows collecting telemetry data from the application.
BenjaminMichaelis
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Removes the Application Insights tests, which appear unnecessary at this stage. Adds a functional test for the health check endpoint.
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…nd .NET Profiler (#741) This PR integrates Azure Application Insights with OpenTelemetry and the .NET Profiler to provide comprehensive monitoring and performance profiling for the ASP.NET Core application. ## Changes Made ### Package Dependencies - Added `Azure.Monitor.OpenTelemetry.AspNetCore` (v1.3.0) for OpenTelemetry integration - Added `Microsoft.ApplicationInsights.Profiler.AspNetCore` (v2.6.0) for .NET Profiler support ### Configuration Updates - **Program.cs**: Added OpenTelemetry configuration with `UseAzureMonitor()` - **Program.cs**: Added Application Insights telemetry services with `AddApplicationInsightsTelemetry()` - **Program.cs**: Added Service Profiler with `AddServiceProfiler()` - **Program.cs**: Added required using statement for `Azure.Monitor.OpenTelemetry.AspNetCore` ### Environment Configuration - The application now automatically reads the `APPLICATIONINSIGHTS_CONNECTION_STRING` environment variable - All logs and exceptions are automatically sent to Application Insights - Compatible with containerized deployment using the existing Dockerfile ### Documentation & Testing - **README.md**: Updated with `APPLICATIONINSIGHTS_CONNECTION_STRING` environment variable documentation - **README.md**: Updated .NET SDK requirement to 9.0 - **ApplicationInsightsTests.cs**: Added basic integration tests to verify Application Insights services are properly registered ## Runtime Configuration Set the following environment variable to enable Application Insights: ```bash APPLICATIONINSIGHTS_CONNECTION_STRING="InstrumentationKey=your-instrumentation-key-here;IngestionEndpoint=https://region.in.applicationinsights.azure.com/;LiveEndpoint=https://region.livediagnostics.monitor.azure.com/" ``` ## Benefits - **Telemetry**: Automatic collection of requests, dependencies, exceptions, and custom metrics - **Logging**: All application logs are sent to Application Insights - **Profiling**: .NET Profiler provides detailed performance insights - **Monitoring**: OpenTelemetry integration provides distributed tracing - **Container Support**: Works seamlessly in containerized environments This implementation follows Microsoft's best practices from the official documentation for OpenTelemetry and Application Insights integration. Fixes #740. > [!WARNING] > > <details> > <summary>Firewall rules blocked me from connecting to one or more addresses</summary> > > #### I tried to connect to the following addresses, but was blocked by firewall rules: > > - `download.visualstudio.microsoft.com` > - Triggering command: `wget REDACTED -O dotnet-sdk.tar.gz ` (dns block) > > If you need me to access, download, or install something from one of these locations, you can either: > > - Configure [Actions setup steps](https://gh.io/copilot/actions-setup-steps) to set up my environment, which run before the firewall is enabled > - Add the appropriate URLs or hosts to my [firewall allow list](https://gh.io/copilot/firewall-config) > > </details> <!-- START COPILOT CODING AGENT TIPS --> --- 💬 Share your feedback on Copilot coding agent for the chance to win a $200 gift card! Click [here](https://survey.alchemer.com/s3/8343779/Copilot-Coding-agent) to start the survey. --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: BenjaminMichaelis <22186029+BenjaminMichaelis@users.noreply.github.com> Co-authored-by: Benjamin Michaelis <git@relay.benjamin.michaelis.net>
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This PR integrates Azure Application Insights with OpenTelemetry and the .NET Profiler to provide comprehensive monitoring and performance profiling for the ASP.NET Core application.
Changes Made
Package Dependencies
Azure.Monitor.OpenTelemetry.AspNetCore(v1.3.0) for OpenTelemetry integrationMicrosoft.ApplicationInsights.Profiler.AspNetCore(v2.6.0) for .NET Profiler supportConfiguration Updates
UseAzureMonitor()AddApplicationInsightsTelemetry()AddServiceProfiler()Azure.Monitor.OpenTelemetry.AspNetCoreEnvironment Configuration
APPLICATIONINSIGHTS_CONNECTION_STRINGenvironment variableDocumentation & Testing
APPLICATIONINSIGHTS_CONNECTION_STRINGenvironment variable documentationRuntime Configuration
Set the following environment variable to enable Application Insights:
APPLICATIONINSIGHTS_CONNECTION_STRING="InstrumentationKey=your-instrumentation-key-here;IngestionEndpoint=https://region.in.applicationinsights.azure.com/;LiveEndpoint=https://region.livediagnostics.monitor.azure.com/"Benefits
This implementation follows Microsoft's best practices from the official documentation for OpenTelemetry and Application Insights integration.
Fixes #740.
Warning
Firewall rules blocked me from connecting to one or more addresses
I tried to connect to the following addresses, but was blocked by firewall rules:
download.visualstudio.microsoft.comwget REDACTED -O dotnet-sdk.tar.gz(dns block)If you need me to access, download, or install something from one of these locations, you can either:
💬 Share your feedback on Copilot coding agent for the chance to win a $200 gift card! Click here to start the survey.